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Red dwarfs [12] are the smallest, coolest, and most common type of star. Estimates of their abundance range from 70% of stars in spiral galaxies to more than 90% of all stars in elliptical galaxies, [13] [14] an often quoted median figure being 72–76% of the stars in the Milky Way (known since the 1990s from radio telescopic observation to be a barred spiral). [15]
Nemesis is a hypothetical red dwarf [1] or brown dwarf, [2] originally postulated in 1984 [3] to be orbiting the Sun at a distance of about 95,000 AU (1.5 light-years), [2] somewhat beyond the Oort cloud, to explain a perceived cycle of mass extinctions in the geological record, which seem to occur more often at intervals of 26 million years.
The Jovian planet was the first discovered around a red dwarf. [2] [3] First discovered with giant planet(s) Gliese 876: 1998 Gliese 876 b: The giant planet was the first planet discovered around a red dwarf. [2] [3] First discovered with terrestrial planet(s) Kepler-42 : 2012 KOI-961 b KOI-961 c KOI-961 d
Dark hycean planets thought to be common around red dwarf stars. [13] Red dwarf stars are the most common type of star in the Milky Way galaxy. [14] They are considered to be a promising place to search for life beyond Earth. Hycean planets have the ingredients that is necessary for life, including liquid water, energy, and organic molecules. [6]
GJ 3470, proper name Kaewkosin, [7] is a red dwarf star located in the constellation of Cancer, 96 light-years (29 parsecs) away from Earth. With a faint apparent magnitude of 12.3, it is not visible to the naked eye .
LHS 475 is a red dwarf star located 40.7 light-years (12.5 parsecs) away from the Solar System in the constellation of Octans. It hosts one known exoplanet . [ 6 ] [ 7 ]
AGAPE – (observing program) Andromeda Galaxy and Amplified Pixels Experiment, a search for microlenses in front of the Andromeda Galaxy; AGB – (celestial object) asymptotic giant branch, a type of red giant star; AGC – (catalog) Arecibo general catalog; AGK – (catalog) Astronomische Gesellschaft Katalog; AGN – (celestial object ...
Red Dwarf ' s design from Series X (2012) and onwards. The main setting of the series is the eponymous mining spaceship Red Dwarf. [9] In the first episode, set sometime in the late 21st century, [a] an on-board radiation leak kills everyone except lowest-ranking technician Dave Lister, who is in suspended animation at the time, as punishment for smuggling a cat aboard the ship.