Logo
Unionpedia
Communication
Get it on Google Play
New! Download Unionpedia on your Android™ device!
Free
Faster access than browser!
 

Triple-alpha process

Index 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. [1]

55 relations: Alpha particle, Alpha process, American Physical Society, American Scientist, Angular momentum operator, Anthropic principle, Beryllium-8, Big Bang, Big Bang nucleosynthesis, California Institute of Technology, Carbon, Carbon-12, CNO cycle, Degenerate matter, Edwin Ernest Salpeter, Excited state, Fine-tuned Universe, Frank J. Tipler, Fred Hoyle, Galaxy, Gamma ray, Helium, Helium flash, Helium-4, Hydrogen, Intelligent design, Iron, Isotopes of lithium, Isotopes of nickel, John D. Barrow, Leonard Susskind, Luminosity, Multiverse, New Scientist, Nuclear fusion, Nuclide, Pair production, Physical Review, Power (physics), Proton–proton chain reaction, R-process, Red giant, Resonance (particle physics), Rice University, S-process, Solar core, Solar luminosity, Stellar nucleosynthesis, Supernova, Taylor & Francis, ..., The Cosmic Landscape, Thermal runaway, Thermodynamic equilibrium, Van de Graaff generator, William Alfred Fowler. Expand index (5 more) »

Alpha particle

Alpha particles consist of two protons and two neutrons bound together into a particle identical to a helium-4 nucleus.

New!!: Triple-alpha process and Alpha particle · See more »

Alpha process

The alpha process, also known as the alpha ladder, is one of two classes of nuclear fusion reactions by which stars convert helium into heavier elements, the other being the triple-alpha process.

New!!: Triple-alpha process and Alpha process · See more »

American Physical Society

The American Physical Society (APS) is the world's second largest organization of physicists.

New!!: Triple-alpha process and American Physical Society · See more »

American Scientist

American Scientist (informally abbreviated AmSci) is an American bimonthly science and technology magazine published since 1913 by Sigma Xi, The Scientific Research Society.

New!!: Triple-alpha process and American Scientist · See more »

Angular momentum operator

In quantum mechanics, the angular momentum operator is one of several related operators analogous to classical angular momentum.

New!!: Triple-alpha process and Angular momentum operator · See more »

Anthropic principle

The anthropic principle is a philosophical consideration that observations of the universe must be compatible with the conscious and sapient life that observes it.

New!!: Triple-alpha process and Anthropic principle · See more »

Beryllium-8

Beryllium-8 is an isotope of beryllium with 4 neutrons and 4 protons, and four electrons when its oxidation state is 0.

New!!: Triple-alpha process and Beryllium-8 · 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!!: Triple-alpha process 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!!: Triple-alpha process and Big Bang nucleosynthesis · See more »

California Institute of Technology

The California Institute of Technology (abbreviated Caltech)The university itself only spells its short form as "Caltech"; other spellings such as.

New!!: Triple-alpha process and California Institute of Technology · See more »

Carbon

Carbon (from carbo "coal") is a chemical element with symbol C and atomic number 6.

New!!: Triple-alpha process and Carbon · See more »

Carbon-12

Carbon-12 is the more abundant of the two stable isotopes of carbon (Carbon-13 being the other), amounting to 98.93% of the element carbon; its abundance is due to the triple-alpha process by which it is created in stars.

New!!: Triple-alpha process and Carbon-12 · See more »

CNO cycle

The CNO cycle (for carbon–nitrogen–oxygen) is one of the two known sets of fusion reactions by which stars convert hydrogen to helium, the other being the proton–proton chain reaction.

New!!: Triple-alpha process and CNO cycle · See more »

Degenerate matter

Degenerate matter is a highly dense state of matter in which particles must occupy high states of kinetic energy in order to satisfy the Pauli exclusion principle.

New!!: Triple-alpha process and Degenerate matter · See more »

Edwin Ernest Salpeter

Edwin Ernest Salpeter (3 December 1924 – 26 November 2008) was an Austrian–Australian–American astrophysicist.

New!!: Triple-alpha process and Edwin Ernest Salpeter · See more »

Excited state

In quantum mechanics, an excited state of a system (such as an atom, molecule or nucleus) is any quantum state of the system that has a higher energy than the ground state (that is, more energy than the absolute minimum).

New!!: Triple-alpha process and Excited state · See more »

Fine-tuned Universe

The fine-tuned Universe is the proposition that the conditions that allow life in the Universe can occur only when certain universal dimensionless physical constants lie within a very narrow range of values, so that if any of several fundamental constants were only slightly different, the Universe would be unlikely to be conducive to the establishment and development of matter, astronomical structures, elemental diversity, or life as it is understood.

New!!: Triple-alpha process and Fine-tuned Universe · See more »

Frank J. Tipler

Frank Jennings Tipler (born February 1, 1947) is an American mathematical physicist and cosmologist, holding a joint appointment in the Departments of Mathematics and Physics at Tulane University.

New!!: Triple-alpha process and Frank J. Tipler · See more »

Fred Hoyle

Sir Fred Hoyle FRS (24 June 1915 – 20 August 2001) was a British astronomer who formulated the theory of stellar nucleosynthesis.

New!!: Triple-alpha process and Fred Hoyle · See more »

Galaxy

A galaxy is a gravitationally bound system of stars, stellar remnants, interstellar gas, dust, and dark matter.

New!!: Triple-alpha process and Galaxy · See more »

Gamma ray

A gamma ray or gamma radiation (symbol γ or \gamma), is penetrating electromagnetic radiation arising from the radioactive decay of atomic nuclei.

New!!: Triple-alpha process and Gamma ray · See more »

Helium

Helium (from lit) is a chemical element with symbol He and atomic number 2.

New!!: Triple-alpha process and Helium · See more »

Helium flash

A helium flash is a very brief thermal runaway nuclear fusion of large quantities of helium into carbon through the triple-alpha process in the core of low mass stars (between 0.8 solar masses and 2.0) during their red giant phase (the Sun is predicted to experience a flash 1.2 billion years after it leaves the main sequence).

New!!: Triple-alpha process and Helium flash · See more »

Helium-4

Helium-4 is a non-radioactive isotope of the element helium.

New!!: Triple-alpha process and Helium-4 · See more »

Hydrogen

Hydrogen is a chemical element with symbol H and atomic number 1.

New!!: Triple-alpha process and Hydrogen · See more »

Intelligent design

Intelligent design (ID) is a religious argument for the existence of God, presented by its proponents as "an evidence-based scientific theory about life's origins",Numbers 2006, p. 373; " captured headlines for its bold attempt to rewrite the basic rules of science and its claim to have found indisputable evidence of a God-like being.

New!!: Triple-alpha process and Intelligent design · See more »

Iron

Iron is a chemical element with symbol Fe (from ferrum) and atomic number 26.

New!!: Triple-alpha process and Iron · 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!!: Triple-alpha process and Isotopes of lithium · See more »

Isotopes of nickel

Naturally occurring nickel (28Ni) is composed of five stable isotopes;,,, and with being the most abundant (68.077% natural abundance).

New!!: Triple-alpha process and Isotopes of nickel · See more »

John D. Barrow

John David Barrow (born 29 November 1952) is an English cosmologist, theoretical physicist, and mathematician.

New!!: Triple-alpha process and John D. Barrow · See more »

Leonard Susskind

Leonard Susskind (born 1940)his 60th birthday was celebrated with a special symposium at Stanford University.

New!!: Triple-alpha process and Leonard Susskind · See more »

Luminosity

In astronomy, luminosity is the total amount of energy emitted per unit of time by a star, galaxy, or other astronomical object.

New!!: Triple-alpha process and Luminosity · See more »

Multiverse

The multiverse (or meta-universe) is a hypothetical group of multiple separate universes including the universe in which humans live.

New!!: Triple-alpha process and Multiverse · See more »

New Scientist

New Scientist, first published on 22 November 1956, is a weekly, English-language magazine that covers all aspects of science and technology.

New!!: Triple-alpha process and New Scientist · 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!!: Triple-alpha process and Nuclear fusion · See more »

Nuclide

A nuclide (from nucleus, also known as nuclear species) is an atomic species characterized by the specific constitution of its nucleus, i.e., by its number of protons Z, its number of neutrons N, and its nuclear energy state.

New!!: Triple-alpha process and Nuclide · See more »

Pair production

Pair production is the creation of an elementary particle and its antiparticle from a neutral boson.

New!!: Triple-alpha process and Pair production · See more »

Physical Review

Physical Review is an American peer-reviewed scientific journal established in 1893 by Edward Nichols.

New!!: Triple-alpha process and Physical Review · See more »

Power (physics)

In physics, power is the rate of doing work, the amount of energy transferred per unit time.

New!!: Triple-alpha process and Power (physics) · See more »

Proton–proton chain reaction

The proton–proton chain reaction is one of the two (known) sets of fusion reactions by which stars convert hydrogen to helium.

New!!: Triple-alpha process and Proton–proton chain reaction · See more »

R-process

The rapid neutron-capture process, or so-called r-process, is a set of nuclear reactions that in nuclear astrophysics is responsible for the creation (nucleosynthesis) of approximately half the abundances of the atomic nuclei heavier than iron, usually synthesizing the entire abundance of the two most neutron-rich stable isotopes of each heavy element.

New!!: Triple-alpha process and R-process · See more »

Red giant

A red giant is a luminous giant star of low or intermediate mass (roughly 0.3–8 solar masses) in a late phase of stellar evolution.

New!!: Triple-alpha process and Red giant · See more »

Resonance (particle physics)

In particle physics, a resonance is the peak located around a certain energy found in differential cross sections of scattering experiments.

New!!: Triple-alpha process and Resonance (particle physics) · See more »

Rice University

William Marsh Rice University, commonly known as Rice University, is a private research university located on a 300-acre (121 ha) campus in Houston, Texas, United States.

New!!: Triple-alpha process and Rice University · See more »

S-process

The slow neutron-capture process or s-process is a series of reactions in nuclear astrophysics that occur in stars, particularly AGB stars.

New!!: Triple-alpha process and S-process · See more »

Solar core

The core of the Sun is considered to extend from the center to about 0.2 to 0.25 of solar radius.

New!!: Triple-alpha process and Solar core · See more »

Solar luminosity

The solar luminosity,, is a unit of radiant flux (power emitted in the form of photons) conventionally used by astronomers to measure the luminosity of stars, galaxies and other celestial objects in terms of the output of the Sun.

New!!: Triple-alpha process and Solar luminosity · See more »

Stellar nucleosynthesis

Stellar nucleosynthesis is the theory explaining the creation (nucleosynthesis) of chemical elements by nuclear fusion reactions between atoms within the stars.

New!!: Triple-alpha process and Stellar nucleosynthesis · 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!!: Triple-alpha process and Supernova · See more »

Taylor & Francis

Taylor & Francis Group is an international company originating in England that publishes books and academic journals.

New!!: Triple-alpha process and Taylor & Francis · See more »

The Cosmic Landscape

The Cosmic Landscape is a non-fiction popular science book on the anthropic principle and string theory landscape.

New!!: Triple-alpha process and The Cosmic Landscape · See more »

Thermal runaway

Thermal runaway occurs in situations where an increase in temperature changes the conditions in a way that causes a further increase in temperature, often leading to a destructive result.

New!!: Triple-alpha process and Thermal runaway · See more »

Thermodynamic equilibrium

Thermodynamic equilibrium is an axiomatic concept of thermodynamics.

New!!: Triple-alpha process and Thermodynamic equilibrium · See more »

Van de Graaff generator

A Van de Graaff generator is an electrostatic generator which uses a moving belt to accumulate electric charge on a hollow metal globe on the top of an insulated column, creating very high electric potentials.

New!!: Triple-alpha process and Van de Graaff generator · See more »

William Alfred Fowler

William Alfred "Willy" Fowler (August 9, 1911 – March 14, 1995) was an American nuclear physicist, later astrophysicist, who, with Subrahmanyan Chandrasekhar won the 1983 Nobel Prize in Physics.

New!!: Triple-alpha process and William Alfred Fowler · See more »

Redirects here:

Helium burning, Helium burning process, Helium fusion, Helium-burning, Salpeter process, Triple alpha, Triple alpha fusion, Triple alpha process, Triple-Alpha Process, Triple-alpha, Triple-alpha fusion, Triplealpha, Triplealpha fusion, Triplealpha process.

References

[1] https://en.wikipedia.org/wiki/Triple-alpha_process

OutgoingIncoming
Hey! We are on Facebook now! »