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37 relations: Abiogenesis, Albedo, Astronomy & Astrophysics, Biosignature, Circumstellar habitable zone, Doppler spectroscopy, Earth, Earth mass, Earth radius, Exoplanet, Extremely Large Telescope, Gliese 832 c, Habitability of red dwarf systems, High Accuracy Radial Velocity Planet Searcher, James Webb Space Telescope, Kepler-438b, Kilogram, La Silla Observatory, LHS 1140, List of potentially habitable exoplanets, Luyten b, Planetary habitability, Proxima Centauri, Proxima Centauri b, Red dwarf, Ross 128, Semi-major and semi-minor axes, Terrestrial planet, Thirty Meter Telescope, Tidal locking, Transit (astronomy), TRAPPIST-1, TRAPPIST-1d, TRAPPIST-1e, TRAPPIST-1f, TRAPPIST-1g, Virgo (constellation).
Abiogenesis
Abiogenesis, or informally the origin of life,Compare: Also occasionally called biopoiesis.
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Albedo
Albedo (albedo, meaning "whiteness") is the measure of the diffuse reflection of solar radiation out of the total solar radiation received by an astronomical body (e.g. a planet like Earth).
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Astronomy & Astrophysics
Astronomy & Astrophysics is a peer-reviewed scientific journal covering theoretical, observational, and instrumental astronomy and astrophysics.
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Biosignature
A biosignature (sometimes called chemical fossil or molecular fossil) is any substance – such as an element, isotope, molecule, or phenomenon – that provides scientific evidence of past or present life.
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Circumstellar habitable zone
In astronomy and astrobiology, the circumstellar habitable zone (CHZ), or simply the habitable zone, is the range of orbits around a star within which a planetary surface can support liquid water given sufficient atmospheric pressure.
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Doppler spectroscopy
Doppler spectroscopy (also known as the radial-velocity method, or colloquially, the wobble method) is an indirect method for finding extrasolar planets and brown dwarfs from radial-velocity measurements via observation of Doppler shifts in the spectrum of the planet's parent star.
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Earth
Earth is the third planet from the Sun and the only astronomical object known to harbor life.
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Earth mass
Earth mass (where ⊕ is the standard astronomical symbol for planet Earth) is the unit of mass equal to that of Earth.
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Earth radius
Earth radius is the approximate distance from Earth's center to its surface, about.
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Exoplanet
An exoplanet or extrasolar planet is a planet outside our solar system.
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Extremely Large Telescope
The Extremely Large Telescope (ELT) is an astronomical observatory and the world's largest optical/near-infrared extremely large telescope now under construction.
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Gliese 832 c
Gliese 832 c (also known as Gl 832 c or GJ 832 c) is an extrasolar planet located approximately 16 light-years (4.93 parsecs, or about 151,400,000,000,000 km) away in the constellation of Grus, orbiting the star Gliese 832, a red dwarf.
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Habitability of red dwarf systems
The habitability of red dwarf systems is determined by a large number of factors from a variety of sources.
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High Accuracy Radial Velocity Planet Searcher
The High Accuracy Radial velocity Planet Searcher (HARPS) is a high-precision echelle planet finding spectrograph installed in 2002 on the ESO's 3.6m telescope at La Silla Observatory in Chile.
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James Webb Space Telescope
The James Webb Space Telescope (JWST) is a space telescope developed in collaboration between NASA, the European Space Agency, and the Canadian Space Agency that will be the scientific successor to the Hubble Space Telescope.
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Kepler-438b
Kepler-438b (also known by its Kepler Object of Interest designation KOI-3284.01) is a confirmed near-Earth-sized exoplanet, likely rocky, orbiting on the inner edge of the habitable zone of the red dwarf as it receives 1.4 times our solar flux.
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Kilogram
The kilogram or kilogramme (symbol: kg) is the base unit of mass in the International System of Units (SI), and is defined as being equal to the mass of the International Prototype of the Kilogram (IPK, also known as "Le Grand K" or "Big K"), a cylinder of platinum-iridium alloy stored by the International Bureau of Weights and Measures at Saint-Cloud, France.
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La Silla Observatory
La Silla Observatory is an astronomical observatory in Chile with three telescopes built and operated by the European Southern Observatory (ESO).
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LHS 1140
LHS 1140 is a red dwarf in the constellation of Cetus.
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List of potentially habitable exoplanets
This is a list of potentially habitable exoplanets and possible exoplanets.
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Luyten b
Luyten b (more commonly known as GJ 273b) is a confirmed exoplanet, likely rocky, orbiting within the habitable zone of the nearby red dwarf Luyten's Star.
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Planetary habitability
Planetary habitability is the measure of a planet's or a natural satellite's potential to have habitable environments hospitable to life, or its ability to generate life endogenously.
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Proxima Centauri
Proxima Centauri, or Alpha Centauri C, is a red dwarf, a small low-mass star, about from the Sun in the constellation of Centaurus.
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Proxima Centauri b
Proxima Centauri b (also called Proxima b or Alpha Centauri Cb) is an exoplanet orbiting within the habitable zone of the red dwarf star Proxima Centauri, which is the closest star to the Sun and part of a triple star system.
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Red dwarf
A red dwarf (or M dwarf) is a small and relatively cool star on the main sequence, of M spectral type.
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Ross 128
Ross 128 is a red dwarf in the equatorial zodiac constellation of Virgo, near β Virginis.
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Semi-major and semi-minor axes
In geometry, the major axis of an ellipse is its longest diameter: a line segment that runs through the center and both foci, with ends at the widest points of the perimeter.
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Terrestrial planet
A terrestrial planet, telluric planet, or rocky planet is a planet that is composed primarily of silicate rocks or metals.
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Thirty Meter Telescope
The Thirty Meter Telescope (TMT) is a proposed astronomical observatory with an extremely large telescope (ELT) that has become the source of controversy over its planned location on Mauna Kea on the island of Hawaii in the US state of Hawaii.
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Tidal locking
Tidal locking (also called gravitational locking or captured rotation) occurs when the long-term interaction between a pair of co-orbiting astronomical bodies drives the rotation rate of at least one of them into the state where there is no more net transfer of angular momentum between this body (e.g. a planet) and its orbit around the second body (e.g. a star); this condition of "no net transfer" must be satisfied over the course of one orbit around the second body.
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Transit (astronomy)
In astronomy, a transit or astronomical transit is the phenomenon of at least one celestial body appearing to move across the face of another celestial body, hiding a small part of it, as seen by an observer at some particular vantage point.
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TRAPPIST-1
TRAPPIST-1, also designated as 2MASS J23062928-0502285, is an ultra-cool red dwarf star that is slightly larger, but much more massive, than the planet Jupiter; it is located from the Sun, in the direction described as the constellation Aquarius.
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TRAPPIST-1d
TRAPPIST-1d, also designated as 2MASS J23062928-0502285 d, is a small, water-rich, primarily rocky exoplanet orbiting within the habitable zone of the ultracool dwarf star TRAPPIST-1 approximately 40 light-years (12.1 parsecs, or nearly km) away from Earth in the constellation of Aquarius.
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TRAPPIST-1e
TRAPPIST-1e, also designated as 2MASS J23062928-0502285 e, is a solid, almost Earth-sized exoplanet orbiting within the habitable zone around the ultracool dwarf star TRAPPIST-1 approximately 40 light-years (12.1 parsecs, or nearly km) away from Earth in the constellation of Aquarius.
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TRAPPIST-1f
No description.
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TRAPPIST-1g
TRAPPIST-1g, also designated as 2MASS J23062928-0502285 g, is an exoplanet orbiting around the ultra-cool dwarf star TRAPPIST-1 away from Earth in the constellation Aquarius.
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Virgo (constellation)
Virgo is one of the constellations of the zodiac.
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References
[1] https://en.wikipedia.org/wiki/Ross_128_b
