Faster access than browser!
248 relations: Abiogenesis, Accelerating expansion of the universe, Active galactic nucleus, Age of the universe, Alan Guth, Annihilation, Antimatter, Antiparticle, Astronomy & Astrophysics, Atom, Atomic nucleus, Avi Loeb, Baryogenesis, Baryon, Baryon acoustic oscillations, Baryon asymmetry, BBC News, Beryllium, BICEP and Keck Array, Big Bang, Big Bang nucleosynthesis, Big Crunch, Big Rip, Billion years, Binding energy, Biopharmaceutical, Black hole, Bolshoi Cosmological Simulation, Boson, Carbon, Chemical element, Chemical reaction, Chronology of the universe, Cold dark matter, Comoving and proper distances, Compact star, Computational model, Computational problem, Condensation, Confidence interval, Cosmic background radiation, Cosmic Calendar, Cosmic microwave background, Cosmic neutrino background, Cosmic time, Cosmogony, Cosmological constant, Cyclic model, Dark energy, Dark matter, ..., Decoupling (cosmology), Deuterium, DNA, Dwarf galaxy, Dyson's eternal intelligence, EGSY8p7, Ekpyrotic universe, Electromagnetic radiation, Electromagnetism, Electron, Electronvolt, Electroweak epoch, Electroweak interaction, Electroweak scale, Elementary particle, Energy density, Entropy, Entropy (arrow of time), Eric Schulman, Eternal inflation, Expansion of the universe, False vacuum, Fermi's interaction, Field (physics), Forbes, Force, Formation and evolution of the Solar System, Free streaming, Freezing, Fundamental interaction, Future of an expanding universe, Galaxy, Galaxy cluster, Galaxy filament, Galaxy formation and evolution, Gauge theory, General relativity, GN-z11, Grand unification epoch, Grand Unified Theory, Graphical timeline from Big Bang to Heat Death, Graphical timeline of the Big Bang, Graphical timeline of the Stelliferous Era, Gravitational collapse, Gravitational singularity, Gravitational wave, Gravity, Ground state, Hadron, Hadron epoch, Hartle–Hawking state, Hawking radiation, Heat death of the universe, Helium, Helium-3, Helium-4, Higgs boson, Higgs mechanism, Homogeneity and heterogeneity, Hubble Ultra-Deep Field, Hubble's law, Hydrogen, Hydrogen line, Illustris project, Inflation (cosmology), Inflationary epoch, Inflaton, International Journal of Astrobiology, Interstellar cloud, Iron, Isotope, Isotopes of beryllium, Isotopes of boron, Isotopes of lithium, Jeans instability, Lambda-CDM model, Laniakea Supercluster, Large Hadron Collider, Lepton, Lepton epoch, Light, Light-year, List of galaxy groups and clusters, List of particles, List of the most distant astronomical objects, Lithium, LOFAR, Lyman series, Magnesium, Main sequence, Matter, Mean free path, Meson, Metallicity, Metastability, Metre, Metric tensor (general relativity), Milky Way, Molecule, N-body simulation, Nanometre, NASA, National Science Foundation, Neutrino, Neutrino decoupling, Neutrino detector, Neutron, Nitrogen, Nuclear fusion, Nucleocosmochronology, Nucleosynthesis, Observable universe, Observatory, Opacity (optics), Open cluster, Organic chemistry, Outer space, Oxygen, P-wave, Particle physics, Perturbation theory, Phase (waves), Phase transition, Photon, Photon epoch, Physical constant, Physical law, Physical Review, Physical Review Letters, Physics beyond the Standard Model, Picosecond, Planck length, Planck time, Planck units, Plasma (physics), Primordial black hole, Proton, Proton decay, Quantum field theory, Quantum gravity, Quantum mechanics, Quantum tunnelling, Quark, Quark epoch, Quark–gluon plasma, Quasar, Radiation, Radio wave, Recombination (cosmology), Red dwarf, Redshift, Reionization, Scalar field, Scale factor (cosmology), Space.com, Spacetime, Special relativity, Spectral density, Speed of light, Standard Model, Star, Star formation, Stellar evolution, Stellar population, Stephen Hawking, String theory landscape, Strong interaction, Structure formation, Subatomic particle, Supercluster, Supercooling, Supernova, Superpartner, Supersymmetry, Symmetry breaking, The Astrophysical Journal, The New York Times, Thermal equilibrium, Thermodynamic equilibrium, Thin disk, Thomson scattering, Time, Timeline of the evolutionary history of life, Timeline of the far future, Transparency and translucency, Triple-alpha process, Tritium, UDFj-39546284, UDFy-38135539, Ultimate fate of the universe, Ultraviolet, Vacuum energy, Vacuum expectation value, Void (astronomy), W and Z bosons, Water, Weak interaction, William Thomson, 1st Baron Kelvin. Expand index (198 more) »
Abiogenesis
Abiogenesis, or informally the origin of life,Compare: Also occasionally called biopoiesis.
New!!: Chronology of the universe and Abiogenesis · See more »
Accelerating expansion of the universe
The accelerating expansion of the universe is the observation that the universe appears to be expanding at an increasing rate, so that the velocity at which a distant galaxy is receding from the observer is continuously increasing with time.
New!!: Chronology of the universe and Accelerating expansion of the universe · See more »
Active galactic nucleus
An active galactic nucleus (AGN) is a compact region at the center of a galaxy that has a much higher than normal luminosity over at least some portion—and possibly all—of the electromagnetic spectrum, with characteristics indicating that the excess luminosity is not produced by stars.
New!!: Chronology of the universe and Active galactic nucleus · See more »
Age of the universe
In physical cosmology, the age of the universe is the time elapsed since the Big Bang.
New!!: Chronology of the universe and Age of the universe · See more »
Alan Guth
Alan Harvey Guth (born February 27, 1947) is an American theoretical physicist and cosmologist.
New!!: Chronology of the universe and Alan Guth · See more »
Annihilation
In particle physics, annihilation is the process that occurs when a subatomic particle collides with its respective antiparticle to produce other particles, such as an electron colliding with a positron to produce two photons.
New!!: Chronology of the universe and Annihilation · See more »
Antimatter
In modern physics, antimatter is defined as a material composed of the antiparticle (or "partners") to the corresponding particles of ordinary matter.
New!!: Chronology of the universe and Antimatter · See more »
Antiparticle
In particle physics, every type of particle has an associated antiparticle with the same mass but with opposite physical charges (such as electric charge).
New!!: Chronology of the universe and Antiparticle · See more »
Astronomy & Astrophysics
Astronomy & Astrophysics is a peer-reviewed scientific journal covering theoretical, observational, and instrumental astronomy and astrophysics.
New!!: Chronology of the universe and Astronomy & Astrophysics · See more »
Atom
An atom is the smallest constituent unit of ordinary matter that has the properties of a chemical element.
New!!: Chronology of the universe and Atom · See more »
Atomic nucleus
The atomic nucleus is the small, dense region consisting of protons and neutrons at the center of an atom, discovered in 1911 by Ernest Rutherford based on the 1909 Geiger–Marsden gold foil experiment.
New!!: Chronology of the universe and Atomic nucleus · See more »
Avi Loeb
Abraham (Avi) Loeb is an Israeli American theoretical physicist who works on astrophysics and cosmology.
New!!: Chronology of the universe and Avi Loeb · See more »
Baryogenesis
In physical cosmology, baryogenesis is the hypothetical physical process that took place during the early universe that produced baryonic asymmetry, i.e. the imbalance of matter (baryons) and antimatter (antibaryons) in the observed universe.
New!!: Chronology of the universe and Baryogenesis · See more »
Baryon
A baryon is a composite subatomic particle made up of three quarks (a triquark, as distinct from mesons, which are composed of one quark and one antiquark).
New!!: Chronology of the universe and Baryon · See more »
Baryon acoustic oscillations
In cosmology, baryon acoustic oscillations (BAO) are regular, periodic fluctuations in the density of the visible baryonic matter (normal matter) of the universe.
New!!: Chronology of the universe and Baryon acoustic oscillations · See more »
Baryon asymmetry
In physics, the baryon asymmetry problem, also known as the matter asymmetry problem or the matter-antimatter asymmetry problem, is the observed imbalance in baryonic matter (the type of matter experienced in everyday life) and antibaryonic matter in the observable universe.
New!!: Chronology of the universe and Baryon asymmetry · See more »
BBC News
BBC News is an operational business division of the British Broadcasting Corporation (BBC) responsible for the gathering and broadcasting of news and current affairs.
New!!: Chronology of the universe and BBC News · See more »
Beryllium
Beryllium is a chemical element with symbol Be and atomic number 4.
New!!: Chronology of the universe and Beryllium · See more »
BICEP and Keck Array
BICEP (Background Imaging of Cosmic Extragalactic Polarization) and the Keck Array are a series of cosmic microwave background (CMB) experiments.
New!!: Chronology of the universe and BICEP and Keck Array · See more »
Big Bang
The Big Bang theory is the prevailing cosmological model for the universe from the earliest known periods through its subsequent large-scale evolution.
New!!: Chronology of the universe and Big Bang · See more »
Big Bang nucleosynthesis
In physical cosmology, Big Bang nucleosynthesis (abbreviated BBN, also known as primordial nucleosynthesis, arch(a)eonucleosynthesis, archonucleosynthesis, protonucleosynthesis and pal(a)eonucleosynthesis) refers to the production of nuclei other than those of the lightest isotope of hydrogen (hydrogen-1, 1H, having a single proton as a nucleus) during the early phases of the Universe.
New!!: Chronology of the universe and Big Bang nucleosynthesis · See more »
Big Crunch
The Big Crunch is one possible scenario for the ultimate fate of the universe, in which the metric expansion of space eventually reverses and the universe recollapses, ultimately causing the cosmic scale factor to reach zero or causing a reformation of the universe starting with another Big Bang.
New!!: Chronology of the universe and Big Crunch · See more »
Big Rip
In physical cosmology, the Big Rip is a hypothetical cosmological model concerning the ultimate fate of the universe, in which the matter of the universe, from stars and galaxies to atoms and subatomic particles, and even spacetime itself, is progressively torn apart by the expansion of the universe at a certain time in the future.
New!!: Chronology of the universe and Big Rip · See more »
Billion years
A billion years (109 years) is a unit of time on the petasecond scale, more precisely equal to seconds.
New!!: Chronology of the universe and Billion years · See more »
Binding energy
Binding energy (also called separation energy) is the minimum energy required to disassemble a system of particles into separate parts.
New!!: Chronology of the universe and Binding energy · See more »
Biopharmaceutical
A biopharmaceutical, also known as a biologic(al) medical product, biological, or biologic, is any pharmaceutical drug product manufactured in, extracted from, or semisynthesized from biological sources.
New!!: Chronology of the universe and Biopharmaceutical · See more »
Black hole
A black hole is a region of spacetime exhibiting such strong gravitational effects that nothing—not even particles and electromagnetic radiation such as light—can escape from inside it.
New!!: Chronology of the universe and Black hole · See more »
Bolshoi Cosmological Simulation
The Bolshoi simulation, run in 2010 on the Pleiades supercomputer at the NASA Ames Research Center, was the most accurate cosmological simulation to that date of the evolution of the large-scale structure of the universe.
New!!: Chronology of the universe and Bolshoi Cosmological Simulation · See more »
Boson
In quantum mechanics, a boson is a particle that follows Bose–Einstein statistics.
New!!: Chronology of the universe and Boson · See more »
Carbon
Carbon (from carbo "coal") is a chemical element with symbol C and atomic number 6.
New!!: Chronology of the universe and Carbon · See more »
Chemical element
A chemical element is a species of atoms having the same number of protons in their atomic nuclei (that is, the same atomic number, or Z).
New!!: Chronology of the universe and Chemical element · See more »
Chemical reaction
A chemical reaction is a process that leads to the transformation of one set of chemical substances to another.
New!!: Chronology of the universe and Chemical reaction · See more »
Chronology of the universe
The chronology of the universe describes the history and future of the universe according to Big Bang cosmology.
New!!: Chronology of the universe and Chronology of the universe · See more »
Cold dark matter
In cosmology and physics, cold dark matter (CDM) is a hypothetical form of dark matter whose particles moved slowly compared to the speed of light (the cold in CDM) since the universe was approximately one year old (a time when the cosmic particle horizon contained the mass of one typical galaxy); and interact very weakly with ordinary matter and electromagnetic radiation (the dark in CDM).
New!!: Chronology of the universe and Cold dark matter · See more »
Comoving and proper distances
In standard cosmology, comoving distance and proper distance are two closely related distance measures used by cosmologists to define distances between objects.
New!!: Chronology of the universe and Comoving and proper distances · See more »
Compact star
In astronomy, the term "compact star" (or "compact object") refers collectively to white dwarfs, neutron stars, and black holes.
New!!: Chronology of the universe and Compact star · See more »
Computational model
A computational model is a mathematical model in computational science that requires extensive computational resources to study the behavior of a complex system by computer simulation.
New!!: Chronology of the universe and Computational model · See more »
Computational problem
In theoretical computer science, a computational problem is a mathematical object representing a collection of questions that computers might be able to solve.
New!!: Chronology of the universe and Computational problem · See more »
Condensation
Condensation is the change of the physical state of matter from gas phase into liquid phase, and is the reverse of vapourisation.
New!!: Chronology of the universe and Condensation · See more »
Confidence interval
In statistics, a confidence interval (CI) is a type of interval estimate, computed from the statistics of the observed data, that might contain the true value of an unknown population parameter.
New!!: Chronology of the universe and Confidence interval · See more »
Cosmic background radiation
Cosmic background radiation is electromagnetic radiation from the big bang.
New!!: Chronology of the universe and Cosmic background radiation · See more »
Cosmic Calendar
The Cosmic Calendar is a method to visualize the chronology of the universe, scaling its current age of 13.8 billion years to a single year in order to help intuit it for pedagogical purposes in science education or popular science.
New!!: Chronology of the universe and Cosmic Calendar · See more »
Cosmic microwave background
The cosmic microwave background (CMB, CMBR) is electromagnetic radiation as a remnant from an early stage of the universe in Big Bang cosmology.
New!!: Chronology of the universe and Cosmic microwave background · See more »
Cosmic neutrino background
The cosmic neutrino background (CNB, CνB) is the universe's background particle radiation composed of neutrinos.
New!!: Chronology of the universe and Cosmic neutrino background · See more »
Cosmic time
Cosmic time (also known as time since the big bang) is the time coordinate commonly used in the Big Bang models of physical cosmology.
New!!: Chronology of the universe and Cosmic time · See more »
Cosmogony
Cosmogony is any model concerning the origin of either the cosmos or universe.
New!!: Chronology of the universe and Cosmogony · See more »
Cosmological constant
In cosmology, the cosmological constant (usually denoted by the Greek capital letter lambda: Λ) is the value of the energy density of the vacuum of space.
New!!: Chronology of the universe and Cosmological constant · See more »
Cyclic model
A cyclic model (or oscillating model) is any of several cosmological models in which the universe follows infinite, or indefinite, self-sustaining cycles.
New!!: Chronology of the universe and Cyclic model · See more »
Dark energy
In physical cosmology and astronomy, dark energy is an unknown form of energy which is hypothesized to permeate all of space, tending to accelerate the expansion of the universe.
New!!: Chronology of the universe and Dark energy · See more »
Dark matter
Dark matter is a theorized form of matter that is thought to account for approximately 80% of the matter in the universe, and about a quarter of its total energy density.
New!!: Chronology of the universe and Dark matter · See more »
Decoupling (cosmology)
In cosmology, decoupling refers to a period in the development of the universe when different types of particles fall out of thermal equilibrium with each other.
New!!: Chronology of the universe and Decoupling (cosmology) · See more »
Deuterium
Deuterium (or hydrogen-2, symbol or, also known as heavy hydrogen) is one of two stable isotopes of hydrogen (the other being protium, or hydrogen-1).
New!!: Chronology of the universe and Deuterium · See more »
DNA
Deoxyribonucleic acid (DNA) is a thread-like chain of nucleotides carrying the genetic instructions used in the growth, development, functioning and reproduction of all known living organisms and many viruses.
New!!: Chronology of the universe and DNA · See more »
Dwarf galaxy
A dwarf galaxy is a small galaxy composed of about 100 million up to several billion stars, a small number compared to the Milky Way's 200–400 billion stars.
New!!: Chronology of the universe and Dwarf galaxy · See more »
Dyson's eternal intelligence
Dyson's eternal intelligence concept (the Dyson Scenario), proposed by Freeman Dyson in 1979, proposes a means by which an immortal society of intelligent beings in an open universe may escape the prospect of heat death by extending subjective time to infinity even though expending only a finite amount of energy.
New!!: Chronology of the universe and Dyson's eternal intelligence · See more »
EGSY8p7
EGSY8p7 (EGSY-2008532660) is a distant galaxy, with a spectroscopic redshift of z.
New!!: Chronology of the universe and EGSY8p7 · See more »
Ekpyrotic universe
The ekpyrotic universe is a cosmological model of the early universe that explains the origin of the large-scale structure of the cosmos.
New!!: Chronology of the universe and Ekpyrotic universe · See more »
Electromagnetic radiation
In physics, electromagnetic radiation (EM radiation or EMR) refers to the waves (or their quanta, photons) of the electromagnetic field, propagating (radiating) through space-time, carrying electromagnetic radiant energy.
New!!: Chronology of the universe and Electromagnetic radiation · See more »
Electromagnetism
Electromagnetism is a branch of physics involving the study of the electromagnetic force, a type of physical interaction that occurs between electrically charged particles.
New!!: Chronology of the universe and Electromagnetism · See more »
Electron
The electron is a subatomic particle, symbol or, whose electric charge is negative one elementary charge.
New!!: Chronology of the universe and Electron · See more »
Electronvolt
In physics, the electronvolt (symbol eV, also written electron-volt and electron volt) is a unit of energy equal to approximately joules (symbol J).
New!!: Chronology of the universe and Electronvolt · See more »
Electroweak epoch
In physical cosmology, the electroweak epoch was the period in the evolution of the early universe when the temperature of the universe had fallen enough that the strong force separated from the electroweak interaction, but was high enough for electromagnetism and the weak interaction to remain merged into a single electroweak interaction (above energies of about 246 GeV).
New!!: Chronology of the universe and Electroweak epoch · See more »
Electroweak interaction
In particle physics, the electroweak interaction is the unified description of two of the four known fundamental interactions of nature: electromagnetism and the weak interaction.
New!!: Chronology of the universe and Electroweak interaction · See more »
Electroweak scale
In particle physics, the electroweak scale, also known as the Fermi scale, is the energy scale around 246 GeV, a typical energy of processes described by the electroweak theory.
New!!: Chronology of the universe and Electroweak scale · See more »
Elementary particle
In particle physics, an elementary particle or fundamental particle is a particle with no substructure, thus not composed of other particles.
New!!: Chronology of the universe and Elementary particle · See more »
Energy density
Energy density is the amount of energy stored in a given system or region of space per unit volume.
New!!: Chronology of the universe and Energy density · See more »
Entropy
In statistical mechanics, entropy is an extensive property of a thermodynamic system.
New!!: Chronology of the universe and Entropy · See more »
Entropy (arrow of time)
Entropy is the only quantity in the physical sciences (apart from certain rare interactions in particle physics; see below) that requires a particular direction for time, sometimes called an arrow of time.
New!!: Chronology of the universe and Entropy (arrow of time) · See more »
Eric Schulman
Eric Schulman is an American astronomer and science humorist.
New!!: Chronology of the universe and Eric Schulman · See more »
Eternal inflation
Eternal inflation is a hypothetical inflationary universe model, which is itself an outgrowth or extension of the Big Bang theory.
New!!: Chronology of the universe and Eternal inflation · See more »
Expansion of the universe
The expansion of the universe is the increase of the distance between two distant parts of the universe with time.
New!!: Chronology of the universe and Expansion of the universe · See more »
False vacuum
In quantum field theory, a false vacuum is a hypothetical vacuum that is somewhat, but not entirely, stable.
New!!: Chronology of the universe and False vacuum · See more »
Fermi's interaction
In particle physics, Fermi's interaction (also the Fermi theory of beta decay) is an explanation of the beta decay, proposed by Enrico Fermi in 1933.
New!!: Chronology of the universe and Fermi's interaction · See more »
Field (physics)
In physics, a field is a physical quantity, represented by a number or tensor, that has a value for each point in space and time.
New!!: Chronology of the universe and Field (physics) · See more »
Forbes
Forbes is an American business magazine.
New!!: Chronology of the universe and Forbes · See more »
Force
In physics, a force is any interaction that, when unopposed, will change the motion of an object.
New!!: Chronology of the universe and Force · See more »
Formation and evolution of the Solar System
The formation and evolution of the Solar System began 4.6 billion years ago with the gravitational collapse of a small part of a giant molecular cloud.
New!!: Chronology of the universe and Formation and evolution of the Solar System · See more »
Free streaming
In astronomy, a free streaming particle, often a photon, is one that propagates through a medium without scattering.
New!!: Chronology of the universe and Free streaming · See more »
Freezing
Freezing, or solidification, is a phase transition in which a liquid turns into a solid when its temperature is lowered below its freezing point.
New!!: Chronology of the universe and Freezing · See more »
Fundamental interaction
In physics, the fundamental interactions, also known as fundamental forces, are the interactions that do not appear to be reducible to more basic interactions.
New!!: Chronology of the universe and Fundamental interaction · See more »
Future of an expanding universe
Observations suggest that the expansion of the universe will continue forever.
New!!: Chronology of the universe and Future of an expanding universe · See more »
Galaxy
A galaxy is a gravitationally bound system of stars, stellar remnants, interstellar gas, dust, and dark matter.
New!!: Chronology of the universe and Galaxy · See more »
Galaxy cluster
A galaxy cluster, or cluster of galaxies, is a structure that consists of anywhere from hundreds to thousands of galaxies that are bound together by gravity with typical masses ranging from 1014–1015 solar masses.
New!!: Chronology of the universe and Galaxy cluster · See more »
Galaxy filament
The distribution reveals fine, filamentary structures.
New!!: Chronology of the universe and Galaxy filament · See more »
Galaxy formation and evolution
The study of galaxy formation and evolution is concerned with the processes that formed a heterogeneous universe from a homogeneous beginning, the formation of the first galaxies, the way galaxies change over time, and the processes that have generated the variety of structures observed in nearby galaxies.
New!!: Chronology of the universe and Galaxy formation and evolution · See more »
Gauge theory
In physics, a gauge theory is a type of field theory in which the Lagrangian is invariant under certain Lie groups of local transformations.
New!!: Chronology of the universe and Gauge theory · See more »
General relativity
General relativity (GR, also known as the general theory of relativity or GTR) is the geometric theory of gravitation published by Albert Einstein in 1915 and the current description of gravitation in modern physics.
New!!: Chronology of the universe and General relativity · See more »
GN-z11
GN-z11 is a high-redshift galaxy found in the constellation Ursa Major.
New!!: Chronology of the universe and GN-z11 · See more »
Grand unification epoch
In physical cosmology, assuming that nature is described by a Grand Unified Theory, the grand unification epoch was the period in the evolution of the early universe following the Planck epoch, starting at about 10−43 seconds after the Big Bang, in which the temperature of the universe was comparable to the characteristic temperatures of grand unified theories.
New!!: Chronology of the universe and Grand unification epoch · See more »
Grand Unified Theory
A Grand Unified Theory (GUT) is a model in particle physics in which, at high energy, the three gauge interactions of the Standard Model which define the electromagnetic, weak, and strong interactions, or forces, are merged into one single force.
New!!: Chronology of the universe and Grand Unified Theory · See more »
Graphical timeline from Big Bang to Heat Death
This is the timeline of the Universe from Big Bang to Heat Death scenario.
New!!: Chronology of the universe and Graphical timeline from Big Bang to Heat Death · See more »
Graphical timeline of the Big Bang
This timeline of the Big Bang shows a sequence of events as currently theorized by scientists.
New!!: Chronology of the universe and Graphical timeline of the Big Bang · See more »
Graphical timeline of the Stelliferous Era
This is the timeline of the stelliferous era but also partly charts the primordial era, and charts more of the degenerate era of the heat death scenario.
New!!: Chronology of the universe and Graphical timeline of the Stelliferous Era · See more »
Gravitational collapse
Gravitational collapse is the contraction of an astronomical object due to the influence of its own gravity, which tends to draw matter inward toward the center of gravity.
New!!: Chronology of the universe and Gravitational collapse · See more »
Gravitational singularity
A gravitational singularity or spacetime singularity is a location in spacetime where the gravitational field of a celestial body becomes infinite in a way that does not depend on the coordinate system.
New!!: Chronology of the universe and Gravitational singularity · See more »
Gravitational wave
Gravitational waves are the disturbance in the fabric ("curvature") of spacetime generated by accelerated masses and propagate as waves outward from their source at the speed of light.
New!!: Chronology of the universe and Gravitational wave · See more »
Gravity
Gravity, or gravitation, is a natural phenomenon by which all things with mass or energy—including planets, stars, galaxies, and even light—are brought toward (or gravitate toward) one another.
New!!: Chronology of the universe and Gravity · See more »
Ground state
The ground state of a quantum mechanical system is its lowest-energy state; the energy of the ground state is known as the zero-point energy of the system.
New!!: Chronology of the universe and Ground state · See more »
Hadron
In particle physics, a hadron (ἁδρός, hadrós, "stout, thick") is a composite particle made of quarks held together by the strong force in a similar way as molecules are held together by the electromagnetic force.
New!!: Chronology of the universe and Hadron · See more »
Hadron epoch
In physical cosmology, the hadron epoch was the period in the evolution of the early universe during which the mass of the universe was dominated by hadrons.
New!!: Chronology of the universe and Hadron epoch · See more »
Hartle–Hawking state
In theoretical physics, the Hartle–Hawking state, named after James Hartle and Stephen Hawking, is a proposal concerning the state of the Universe prior to the Planck epoch.
New!!: Chronology of the universe and Hartle–Hawking state · See more »
Hawking radiation
Hawking radiation is blackbody radiation that is predicted to be released by black holes, due to quantum effects near the event horizon.
New!!: Chronology of the universe and Hawking radiation · See more »
Heat death of the universe
The heat death of the universe is a plausible ultimate fate of the universe in which the universe has diminished to a state of no thermodynamic free energy and therefore can no longer sustain processes that increase entropy.
New!!: Chronology of the universe and Heat death of the universe · See more »
Helium
Helium (from lit) is a chemical element with symbol He and atomic number 2.
New!!: Chronology of the universe and Helium · See more »
Helium-3
Helium-3 (He-3, also written as 3He, see also helion) is a light, non-radioactive isotope of helium with two protons and one neutron (common helium having two protons and two neutrons).
New!!: Chronology of the universe and Helium-3 · See more »
Helium-4
Helium-4 is a non-radioactive isotope of the element helium.
New!!: Chronology of the universe and Helium-4 · See more »
Higgs boson
The Higgs boson is an elementary particle in the Standard Model of particle physics.
New!!: Chronology of the universe and Higgs boson · See more »
Higgs mechanism
In the Standard Model of particle physics, the Higgs mechanism is essential to explain the generation mechanism of the property "mass" for gauge bosons.
New!!: Chronology of the universe and Higgs mechanism · See more »
Homogeneity and heterogeneity
Homogeneity and heterogeneity are concepts often used in the sciences and statistics relating to the uniformity in a substance or organism.
New!!: Chronology of the universe and Homogeneity and heterogeneity · See more »
Hubble Ultra-Deep Field
The Hubble Ultra-Deep Field (HUDF) is an image of a small region of space in the constellation Fornax, containing an estimated 10,000 galaxies.
New!!: Chronology of the universe and Hubble Ultra-Deep Field · See more »
Hubble's law
Hubble's law is the name for the observation in physical cosmology that.
New!!: Chronology of the universe and Hubble's law · See more »
Hydrogen
Hydrogen is a chemical element with symbol H and atomic number 1.
New!!: Chronology of the universe and Hydrogen · See more »
Hydrogen line
The hydrogen line, 21-centimeter line or H I line refers to the electromagnetic radiation spectral line that is created by a change in the energy state of neutral hydrogen atoms.
New!!: Chronology of the universe and Hydrogen line · See more »
Illustris project
The Illustris project is an ongoing series of astrophysical simulations run by an international collaboration of scientists.
New!!: Chronology of the universe and Illustris project · See more »
Inflation (cosmology)
In physical cosmology, cosmic inflation, cosmological inflation, or just inflation, is a theory of exponential expansion of space in the early universe.
New!!: Chronology of the universe and Inflation (cosmology) · See more »
Inflationary epoch
In physical cosmology the inflationary epoch was the period in the evolution of the early universe when, according to inflation theory, the universe underwent an extremely rapid exponential expansion.
New!!: Chronology of the universe and Inflationary epoch · See more »
Inflaton
The inflaton field is a hypothetical scalar field that is theorized to drive cosmic inflation in the very early universe.
New!!: Chronology of the universe and Inflaton · See more »
International Journal of Astrobiology
The International Journal of Astrobiology (IJA) is a peer-reviewed scientific journal established in 2002 and published by Cambridge University Press that covers research on the prebiotic chemistry, origin, evolution, distribution, and future of life on Earth and beyond, SETI (Search for extraterrestrial intelligence), societal and educational aspects of astrobiology.
New!!: Chronology of the universe and International Journal of Astrobiology · See more »
Interstellar cloud
An interstellar cloud is generally an accumulation of gas, plasma, and dust in our and other galaxies.
New!!: Chronology of the universe and Interstellar cloud · See more »
Iron
Iron is a chemical element with symbol Fe (from ferrum) and atomic number 26.
New!!: Chronology of the universe and Iron · See more »
Isotope
Isotopes are variants of a particular chemical element which differ in neutron number.
New!!: Chronology of the universe and Isotope · See more »
Isotopes of beryllium
Beryllium (4Be) has 12 known isotopes, but only one of these isotopes is stable and a primordial nuclide.
New!!: Chronology of the universe and Isotopes of beryllium · See more »
Isotopes of boron
Boron (5B) naturally occurs as isotopes 10B and 11B, the latter of which makes up about 80% of natural boron.
New!!: Chronology of the universe and Isotopes of boron · See more »
Isotopes of lithium
Naturally occurring lithium (3Li) is composed of two stable isotopes, lithium-6 and lithium-7, with the latter being far more abundant: about 92.5 percent of the atoms.
New!!: Chronology of the universe and Isotopes of lithium · See more »
Jeans instability
In stellar physics, the Jeans instability causes the collapse of interstellar gas clouds and subsequent star formation.
New!!: Chronology of the universe and Jeans instability · See more »
Lambda-CDM model
The ΛCDM (Lambda cold dark matter) or Lambda-CDM model is a parametrization of the Big Bang cosmological model in which the universe contains a cosmological constant, denoted by Lambda (Greek Λ), associated with dark energy, and cold dark matter (abbreviated CDM).
New!!: Chronology of the universe and Lambda-CDM model · See more »
Laniakea Supercluster
The Laniakea Supercluster (Laniakea; also called Local Supercluster or Local SCl or sometimes Lenakaeia) is the galaxy supercluster that is home to the Milky Way and approximately 100,000 other nearby galaxies.
New!!: Chronology of the universe and Laniakea Supercluster · See more »
Large Hadron Collider
The Large Hadron Collider (LHC) is the world's largest and most powerful particle collider, the most complex experimental facility ever built and the largest single machine in the world.
New!!: Chronology of the universe and Large Hadron Collider · See more »
Lepton
In particle physics, a lepton is an elementary particle of half-integer spin (spin) that does not undergo strong interactions.
New!!: Chronology of the universe and Lepton · See more »
Lepton epoch
In physical cosmology, the lepton epoch was the period in the evolution of the early universe in which the leptons dominated the mass of the universe.
New!!: Chronology of the universe and Lepton epoch · See more »
Light
Light is electromagnetic radiation within a certain portion of the electromagnetic spectrum.
New!!: Chronology of the universe and Light · See more »
Light-year
The light-year is a unit of length used to express astronomical distances and measures about 9.5 trillion kilometres or 5.9 trillion miles.
New!!: Chronology of the universe and Light-year · See more »
List of galaxy groups and clusters
This page lists some galaxy groups and galaxy clusters.
New!!: Chronology of the universe and List of galaxy groups and clusters · See more »
List of particles
This article includes a list of the different types of atomic- and sub-atomic particles found or hypothesized to exist in the whole of the universe categorized by type.
New!!: Chronology of the universe and List of particles · See more »
List of the most distant astronomical objects
This article documents the most distant astronomical objects so far discovered, and the time periods in which they were so classified.
New!!: Chronology of the universe and List of the most distant astronomical objects · See more »
Lithium
Lithium (from lit) is a chemical element with symbol Li and atomic number 3.
New!!: Chronology of the universe and Lithium · See more »
LOFAR
The Low-Frequency Array or LOFAR, is a large radio telescope network located mainly in the Netherlands, completed in 2012 by ASTRON, the Netherlands Institute for Radio Astronomy and its international partners, and operated by ASTRON's radio observatory, of the Netherlands Organisation for Scientific Research.
New!!: Chronology of the universe and LOFAR · See more »
Lyman series
In physics and chemistry, the Lyman series is a hydrogen spectral series of transitions and resulting ultraviolet emission lines of the hydrogen atom as an electron goes from n ≥ 2 to n.
New!!: Chronology of the universe and Lyman series · See more »
Magnesium
Magnesium is a chemical element with symbol Mg and atomic number 12.
New!!: Chronology of the universe and Magnesium · See more »
Main sequence
In astronomy, the main sequence is a continuous and distinctive band of stars that appear on plots of stellar color versus brightness.
New!!: Chronology of the universe and Main sequence · See more »
Matter
In the classical physics observed in everyday life, matter is any substance that has mass and takes up space by having volume.
New!!: Chronology of the universe and Matter · See more »
Mean free path
In physics, the mean free path is the average distance traveled by a moving particle (such as an atom, a molecule, a photon) between successive impacts (collisions), which modify its direction or energy or other particle properties.
New!!: Chronology of the universe and Mean free path · See more »
Meson
In particle physics, mesons are hadronic subatomic particles composed of one quark and one antiquark, bound together by strong interactions.
New!!: Chronology of the universe and Meson · See more »
Metallicity
In astronomy, metallicity is used to describe the abundance of elements present in an object that are heavier than hydrogen or helium.
New!!: Chronology of the universe and Metallicity · See more »
Metastability
In physics, metastability is a stable state of a dynamical system other than the system's state of least energy.
New!!: Chronology of the universe and Metastability · See more »
Metre
The metre (British spelling and BIPM spelling) or meter (American spelling) (from the French unit mètre, from the Greek noun μέτρον, "measure") is the base unit of length in some metric systems, including the International System of Units (SI).
New!!: Chronology of the universe and Metre · See more »
Metric tensor (general relativity)
In general relativity, the metric tensor (in this context often abbreviated to simply the metric) is the fundamental object of study.
New!!: Chronology of the universe and Metric tensor (general relativity) · See more »
Milky Way
The Milky Way is the galaxy that contains our Solar System.
New!!: Chronology of the universe and Milky Way · See more »
Molecule
A molecule is an electrically neutral group of two or more atoms held together by chemical bonds.
New!!: Chronology of the universe and Molecule · See more »
N-body simulation
In physics and astronomy, an N-body simulation is a simulation of a dynamical system of particles, usually under the influence of physical forces, such as gravity (see ''n''-body problem).
New!!: Chronology of the universe and N-body simulation · See more »
Nanometre
The nanometre (International spelling as used by the International Bureau of Weights and Measures; SI symbol: nm) or nanometer (American spelling) is a unit of length in the metric system, equal to one billionth (short scale) of a metre (m).
New!!: Chronology of the universe and Nanometre · See more »
NASA
The National Aeronautics and Space Administration (NASA) is an independent agency of the executive branch of the United States federal government responsible for the civilian space program, as well as aeronautics and aerospace research.
New!!: Chronology of the universe and NASA · See more »
National Science Foundation
The National Science Foundation (NSF) is a United States government agency that supports fundamental research and education in all the non-medical fields of science and engineering.
New!!: Chronology of the universe and National Science Foundation · See more »
Neutrino
A neutrino (denoted by the Greek letter ν) is a fermion (an elementary particle with half-integer spin) that interacts only via the weak subatomic force and gravity.
New!!: Chronology of the universe and Neutrino · See more »
Neutrino decoupling
In Big Bang cosmology, neutrino decoupling refers to the epoch at which neutrinos ceased interacting with baryonic matter, and thereby ceased influencing the dynamics of the universe at early times.
New!!: Chronology of the universe and Neutrino decoupling · See more »
Neutrino detector
A neutrino detector is a physics apparatus which is designed to study neutrinos.
New!!: Chronology of the universe and Neutrino detector · See more »
Neutron
| magnetic_moment.
New!!: Chronology of the universe and Neutron · See more »
Nitrogen
Nitrogen is a chemical element with symbol N and atomic number 7.
New!!: Chronology of the universe and Nitrogen · See more »
Nuclear fusion
In nuclear physics, nuclear fusion is a reaction in which two or more atomic nuclei come close enough to form one or more different atomic nuclei and subatomic particles (neutrons or protons).
New!!: Chronology of the universe and Nuclear fusion · See more »
Nucleocosmochronology
Nucleocosmochronology or nuclear cosmochronology is a technique used to determine timescales for astrophysical objects and events.
New!!: Chronology of the universe and Nucleocosmochronology · See more »
Nucleosynthesis
Nucleosynthesis is the process that creates new atomic nuclei from pre-existing nucleons, primarily protons and neutrons.
New!!: Chronology of the universe and Nucleosynthesis · See more »
Observable universe
The observable universe is a spherical region of the Universe comprising all matter that can be observed from Earth at the present time, because electromagnetic radiation from these objects has had time to reach Earth since the beginning of the cosmological expansion.
New!!: Chronology of the universe and Observable universe · See more »
Observatory
An observatory is a location used for observing terrestrial or celestial events.
New!!: Chronology of the universe and Observatory · See more »
Opacity (optics)
Opacity is the measure of impenetrability to electromagnetic or other kinds of radiation, especially visible light.
New!!: Chronology of the universe and Opacity (optics) · See more »
Open cluster
An open cluster is a group of up to a few thousand stars that were formed from the same giant molecular cloud and have roughly the same age.
New!!: Chronology of the universe and Open cluster · See more »
Organic chemistry
Organic chemistry is a chemistry subdiscipline involving the scientific study of the structure, properties, and reactions of organic compounds and organic materials, i.e., matter in its various forms that contain carbon atoms.
New!!: Chronology of the universe and Organic chemistry · See more »
Outer space
Outer space, or just space, is the expanse that exists beyond the Earth and between celestial bodies.
New!!: Chronology of the universe and Outer space · See more »
Oxygen
Oxygen is a chemical element with symbol O and atomic number 8.
New!!: Chronology of the universe and Oxygen · See more »
P-wave
A P-wave is one of the two main types of elastic body waves, called seismic waves in seismology.
New!!: Chronology of the universe and P-wave · See more »
Particle physics
Particle physics (also high energy physics) is the branch of physics that studies the nature of the particles that constitute matter and radiation.
New!!: Chronology of the universe and Particle physics · See more »
Perturbation theory
Perturbation theory comprises mathematical methods for finding an approximate solution to a problem, by starting from the exact solution of a related, simpler problem.
New!!: Chronology of the universe and Perturbation theory · See more »
Phase (waves)
Phase is the position of a point in time (an instant) on a waveform cycle.
New!!: Chronology of the universe and Phase (waves) · See more »
Phase transition
The term phase transition (or phase change) is most commonly used to describe transitions between solid, liquid and gaseous states of matter, and, in rare cases, plasma.
New!!: Chronology of the universe and Phase transition · See more »
Photon
The photon is a type of elementary particle, the quantum of the electromagnetic field including electromagnetic radiation such as light, and the force carrier for the electromagnetic force (even when static via virtual particles).
New!!: Chronology of the universe and Photon · See more »
Photon epoch
In physical cosmology, the photon epoch was the period in the evolution of the early universe in which photons dominated the energy of the universe.
New!!: Chronology of the universe and Photon epoch · See more »
Physical constant
A physical constant, sometimes fundamental physical constant or universal constant, is a physical quantity that is generally believed to be both universal in nature and have constant value in time.
New!!: Chronology of the universe and Physical constant · See more »
Physical law
A physical law or scientific law is a theoretical statement "inferred from particular facts, applicable to a defined group or class of phenomena, and expressible by the statement that a particular phenomenon always occurs if certain conditions be present." Physical laws are typically conclusions based on repeated scientific experiments and observations over many years and which have become accepted universally within the scientific community.
New!!: Chronology of the universe and Physical law · See more »
Physical Review
Physical Review is an American peer-reviewed scientific journal established in 1893 by Edward Nichols.
New!!: Chronology of the universe and Physical Review · See more »
Physical Review Letters
Physical Review Letters (PRL), established in 1958, is a peer-reviewed, scientific journal that is published 52 times per year by the American Physical Society.
New!!: Chronology of the universe and Physical Review Letters · See more »
Physics beyond the Standard Model
Physics beyond the Standard Model (BSM) refers to the theoretical developments needed to explain the deficiencies of the Standard Model, such as the origin of mass, the strong CP problem, neutrino oscillations, matter–antimatter asymmetry, and the nature of dark matter and dark energy.
New!!: Chronology of the universe and Physics beyond the Standard Model · See more »
Picosecond
A picosecond is an SI unit of time equal to 10−12 or 1/1,000,000,000,000 (one trillionth) of a second.
New!!: Chronology of the universe and Picosecond · See more »
Planck length
In physics, the Planck length, denoted, is a unit of length, equal to metres.
New!!: Chronology of the universe and Planck length · See more »
Planck time
In quantum mechanics, the Planck time is the unit of time in the system of natural units known as Planck units.
New!!: Chronology of the universe and Planck time · See more »
Planck units
In particle physics and physical cosmology, Planck units are a set of units of measurement defined exclusively in terms of five universal physical constants, in such a manner that these five physical constants take on the numerical value of 1 when expressed in terms of these units.
New!!: Chronology of the universe and Planck units · See more »
Plasma (physics)
Plasma (Henry George Liddell, Robert Scott, A Greek English Lexicon, on Perseus) is one of the four fundamental states of matter, and was first described by chemist Irving Langmuir in the 1920s.
New!!: Chronology of the universe and Plasma (physics) · See more »
Primordial black hole
Primordial black holes are a hypothetical type of black hole that formed soon after the Big Bang.
New!!: Chronology of the universe and Primordial black hole · See more »
Proton
| magnetic_moment.
New!!: Chronology of the universe and Proton · See more »
Proton decay
In particle physics, proton decay is a hypothetical form of radioactive decay in which the proton decays into lighter subatomic particles, such as a neutral pion and a positron.
New!!: Chronology of the universe and Proton decay · See more »
Quantum field theory
In theoretical physics, quantum field theory (QFT) is the theoretical framework for constructing quantum mechanical models of subatomic particles in particle physics and quasiparticles in condensed matter physics.
New!!: Chronology of the universe and Quantum field theory · See more »
Quantum gravity
Quantum gravity (QG) is a field of theoretical physics that seeks to describe gravity according to the principles of quantum mechanics, and where quantum effects cannot be ignored, such as near compact astrophysical objects where the effects of gravity are strong.
New!!: Chronology of the universe and Quantum gravity · See more »
Quantum mechanics
Quantum mechanics (QM; also known as quantum physics, quantum theory, the wave mechanical model, or matrix mechanics), including quantum field theory, is a fundamental theory in physics which describes nature at the smallest scales of energy levels of atoms and subatomic particles.
New!!: Chronology of the universe and Quantum mechanics · See more »
Quantum tunnelling
Quantum tunnelling or tunneling (see spelling differences) is the quantum mechanical phenomenon where a particle tunnels through a barrier that it classically cannot surmount.
New!!: Chronology of the universe and Quantum tunnelling · See more »
Quark
A quark is a type of elementary particle and a fundamental constituent of matter.
New!!: Chronology of the universe and Quark · See more »
Quark epoch
In physical cosmology the Quark epoch was the period in the evolution of the early universe when the fundamental interactions of gravitation, electromagnetism, the strong interaction and the weak interaction had taken their present forms, but the temperature of the universe was still too high to allow quarks to bind together to form hadrons.
New!!: Chronology of the universe and Quark epoch · See more »
Quark–gluon plasma
A quark–gluon plasma (QGP) or quark soup is a state of matter in quantum chromodynamics (QCD) which exists at extremely high temperature and/or density.
New!!: Chronology of the universe and Quark–gluon plasma · See more »
Quasar
A quasar (also known as a QSO or quasi-stellar object) is an extremely luminous active galactic nucleus (AGN).
New!!: Chronology of the universe and Quasar · See more »
Radiation
In physics, radiation is the emission or transmission of energy in the form of waves or particles through space or through a material medium.
New!!: Chronology of the universe and Radiation · See more »
Radio wave
Radio waves are a type of electromagnetic radiation with wavelengths in the electromagnetic spectrum longer than infrared light.
New!!: Chronology of the universe and Radio wave · See more »
Recombination (cosmology)
In cosmology, recombination refers to the epoch at which charged electrons and protons first became bound to form electrically neutral hydrogen atoms.
New!!: Chronology of the universe and Recombination (cosmology) · See more »
Red dwarf
A red dwarf (or M dwarf) is a small and relatively cool star on the main sequence, of M spectral type.
New!!: Chronology of the universe and Red dwarf · See more »
Redshift
In physics, redshift happens when light or other electromagnetic radiation from an object is increased in wavelength, or shifted to the red end of the spectrum.
New!!: Chronology of the universe and Redshift · See more »
Reionization
In the field of Big Bang theory, and cosmology, reionization is the process that caused the matter in the universe to reionize after the lapse of the "dark ages".
New!!: Chronology of the universe and Reionization · See more »
Scalar field
In mathematics and physics, a scalar field associates a scalar value to every point in a space – possibly physical space.
New!!: Chronology of the universe and Scalar field · See more »
Scale factor (cosmology)
The relative expansion of the universe is parametrized by a dimensionless scale factor a. Also known as the cosmic scale factor or sometimes the Robertson–Walker scale factor, this is a key parameter of the Friedmann equations.
New!!: Chronology of the universe and Scale factor (cosmology) · See more »
Space.com
Space.com is a space and astronomy news website.
New!!: Chronology of the universe and Space.com · See more »
Spacetime
In physics, spacetime is any mathematical model that fuses the three dimensions of space and the one dimension of time into a single four-dimensional continuum.
New!!: Chronology of the universe and Spacetime · See more »
Special relativity
In physics, special relativity (SR, also known as the special theory of relativity or STR) is the generally accepted and experimentally well-confirmed physical theory regarding the relationship between space and time.
New!!: Chronology of the universe and Special relativity · See more »
Spectral density
The power spectrum S_(f) of a time series x(t) describes the distribution of power into frequency components composing that signal.
New!!: Chronology of the universe and Spectral density · See more »
Speed of light
The speed of light in vacuum, commonly denoted, is a universal physical constant important in many areas of physics.
New!!: Chronology of the universe and Speed of light · See more »
Standard Model
The Standard Model of particle physics is the theory describing three of the four known fundamental forces (the electromagnetic, weak, and strong interactions, and not including the gravitational force) in the universe, as well as classifying all known elementary particles.
New!!: Chronology of the universe and Standard Model · See more »
Star
A star is type of astronomical object consisting of a luminous spheroid of plasma held together by its own gravity.
New!!: Chronology of the universe and Star · See more »
Star formation
Star formation is the process by which dense regions within molecular clouds in interstellar space, sometimes referred to as "stellar nurseries" or "star-forming regions", collapse and form stars.
New!!: Chronology of the universe and Star formation · See more »
Stellar evolution
Stellar evolution is the process by which a star changes over the course of time.
New!!: Chronology of the universe and Stellar evolution · See more »
Stellar population
During 1944, Walter Baade categorized groups of stars within the Milky Way into bluer stars associated with the spiral arms and the general position of yellow stars near the central galactic bulge or within globular star clusters.
New!!: Chronology of the universe and Stellar population · See more »
Stephen Hawking
Stephen William Hawking (8 January 1942 – 14 March 2018) was an English theoretical physicist, cosmologist, and author, who was director of research at the Centre for Theoretical Cosmology at the University of Cambridge at the time of his death.
New!!: Chronology of the universe and Stephen Hawking · See more »
String theory landscape
The string theory landscape refers to the collection of possible false vacua in string theory,The number of metastable vacua is not known exactly, but commonly quoted estimates are of the order 10500.
New!!: Chronology of the universe and String theory landscape · See more »
Strong interaction
In particle physics, the strong interaction is the mechanism responsible for the strong nuclear force (also called the strong force or nuclear strong force), and is one of the four known fundamental interactions, with the others being electromagnetism, the weak interaction, and gravitation.
New!!: Chronology of the universe and Strong interaction · See more »
Structure formation
In physical cosmology, structure formation is the formation of galaxies, galaxy clusters and larger structures from small early density fluctuations.
New!!: Chronology of the universe and Structure formation · See more »
Subatomic particle
In the physical sciences, subatomic particles are particles much smaller than atoms.
New!!: Chronology of the universe and Subatomic particle · See more »
Supercluster
A supercluster is a large group of smaller galaxy clusters or galaxy groups; it is among the largest-known structures of the cosmos.
New!!: Chronology of the universe and Supercluster · See more »
Supercooling
Supercooling, also known as undercooling, is the process of lowering the temperature of a liquid or a gas below its freezing point without it becoming a solid.
New!!: Chronology of the universe and Supercooling · See more »
Supernova
A supernova (plural: supernovae or supernovas, abbreviations: SN and SNe) is a transient astronomical event that occurs during the last stellar evolutionary stages of a star's life, either a massive star or a white dwarf, whose destruction is marked by one final, titanic explosion.
New!!: Chronology of the universe and Supernova · See more »
Superpartner
In particle physics, a superpartner (also sparticle) is a hypothetical elementary particle.
New!!: Chronology of the universe and Superpartner · See more »
Supersymmetry
In particle physics, supersymmetry (SUSY) is a theory that proposes a relationship between two basic classes of elementary particles: bosons, which have an integer-valued spin, and fermions, which have a half-integer spin.
New!!: Chronology of the universe and Supersymmetry · See more »
Symmetry breaking
In physics, symmetry breaking is a phenomenon in which (infinitesimally) small fluctuations acting on a system crossing a critical point decide the system's fate, by determining which branch of a bifurcation is taken.
New!!: Chronology of the universe and Symmetry breaking · See more »
The Astrophysical Journal
The Astrophysical Journal, often abbreviated ApJ (pronounced "ap jay") in references and speech, is a peer-reviewed scientific journal of astrophysics and astronomy, established in 1895 by American astronomers George Ellery Hale and James Edward Keeler.
New!!: Chronology of the universe and The Astrophysical Journal · See more »
The New York Times
The New York Times (sometimes abbreviated as The NYT or The Times) is an American newspaper based in New York City with worldwide influence and readership.
New!!: Chronology of the universe and The New York Times · See more »
Thermal equilibrium
Two physical systems are in thermal equilibrium if there are no net flow of thermal energy between them when they are connected by a path permeable to heat.
New!!: Chronology of the universe and Thermal equilibrium · See more »
Thermodynamic equilibrium
Thermodynamic equilibrium is an axiomatic concept of thermodynamics.
New!!: Chronology of the universe and Thermodynamic equilibrium · See more »
Thin disk
The thin disk is a structural component of spiral and S0-type galaxies, composing of stars, gas and dust.
New!!: Chronology of the universe and Thin disk · See more »
Thomson scattering
Thomson scattering is the elastic scattering of electromagnetic radiation by a free charged particle, as described by classical electromagnetism.
New!!: Chronology of the universe and Thomson scattering · See more »
Time
Time is the indefinite continued progress of existence and events that occur in apparently irreversible succession from the past through the present to the future.
New!!: Chronology of the universe and Time · See more »
Timeline of the evolutionary history of life
This timeline of the evolutionary history of life represents the current scientific theory outlining the major events during the development of life on planet Earth.
New!!: Chronology of the universe and Timeline of the evolutionary history of life · See more »
Timeline of the far future
While predictions of the future can never be absolutely certain, present understanding in various scientific fields allows for the prediction of far-future events, if only in the broadest outline.
New!!: Chronology of the universe and Timeline of the far future · See more »
Transparency and translucency
In the field of optics, transparency (also called pellucidity or diaphaneity) is the physical property of allowing light to pass through the material without being scattered.
New!!: Chronology of the universe and Transparency and translucency · See more »
Triple-alpha process
The triple-alpha process is a set of nuclear fusion reactions by which three helium-4 nuclei (alpha particles) are transformed into carbon.
New!!: Chronology of the universe and Triple-alpha process · See more »
Tritium
Tritium (or; symbol or, also known as hydrogen-3) is a radioactive isotope of hydrogen.
New!!: Chronology of the universe and Tritium · See more »
UDFj-39546284
UDFj-39546284 is the designation given to a stellar structure reported on January 27, 2011, as light from the oldest object detected through infrared observation within the Hubble Space Telescope.
New!!: Chronology of the universe and UDFj-39546284 · See more »
UDFy-38135539
UDFy-38135539 (also known as "HUDF.YD3") is the Hubble Ultra Deep Field (UDF) identifier for a galaxy which was calculated to have a light travel time of 13.1 billion years with a present proper distance of around 30 billion light-years.
New!!: Chronology of the universe and UDFy-38135539 · See more »
Ultimate fate of the universe
The ultimate fate of the universe is a topic in physical cosmology, whose theoretical restrictions allow possible scenarios for the evolution and ultimate fate of the universe to be described and evaluated.
New!!: Chronology of the universe and Ultimate fate of the universe · See more »
Ultraviolet
Ultraviolet (UV) is electromagnetic radiation with a wavelength from 10 nm to 400 nm, shorter than that of visible light but longer than X-rays.
New!!: Chronology of the universe and Ultraviolet · See more »
Vacuum energy
Vacuum energy is an underlying background energy that exists in space throughout the entire Universe.
New!!: Chronology of the universe and Vacuum energy · See more »
Vacuum expectation value
In quantum field theory the vacuum expectation value (also called condensate or simply VEV) of an operator is its average, expected value in the vacuum.
New!!: Chronology of the universe and Vacuum expectation value · See more »
Void (astronomy)
Cosmic voids are vast spaces between filaments (the largest-scale structures in the universe), which contain very few or no galaxies.
New!!: Chronology of the universe and Void (astronomy) · See more »
W and Z bosons
The W and Z bosons are together known as the weak or more generally as the intermediate vector bosons. These elementary particles mediate the weak interaction; the respective symbols are,, and.
New!!: Chronology of the universe and W and Z bosons · See more »
Water
Water is a transparent, tasteless, odorless, and nearly colorless chemical substance that is the main constituent of Earth's streams, lakes, and oceans, and the fluids of most living organisms.
New!!: Chronology of the universe and Water · See more »
Weak interaction
In particle physics, the weak interaction (the weak force or weak nuclear force) is the mechanism of interaction between sub-atomic particles that causes radioactive decay and thus plays an essential role in nuclear fission.
New!!: Chronology of the universe and Weak interaction · See more »
William Thomson, 1st Baron Kelvin
William Thomson, 1st Baron Kelvin, (26 June 1824 – 17 December 1907) was a Scots-Irish mathematical physicist and engineer who was born in Belfast in 1824.
New!!: Chronology of the universe and William Thomson, 1st Baron Kelvin · See more »
Redirects here:
Augustinian era, Big bang timeline, Chronology of the Universe, Cosmic evolution, Cosmic history, Cosmologic epoch, Cosmological epoch, Cosmological era, Cosmological time, Cosmological time scale, Cosmological timeline, Creation of the universe, Dark Age (cosmology), Dark Ages (cosmology), Degenerate era of the universe, Early universe, Early universe cosmology, Epoch (Big Bang), Epoch (big bang), Epoch (cosmology), Eras of the universe, Evolution of the universe, History of Universe, History of the Universe, History of the universe, History of universe, Timeline big bang, Timeline of big bang, Timeline of cosmological eras, Timeline of the Big Bang, Timeline of the big bang, Timeline of the cosmos, Very early universe.
References
[1] https://en.wikipedia.org/wiki/Chronology_of_the_universe
