Flare star
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A flare star is a variable star that can undergo unpredictable dramatic increases in brightness for a few minutes. It is believed that the flares on flare stars are analogous to solar flares in that t
A flare star with orbiting planet (artist's impression)
Size comparison between Jupiter, Barnard's Star and the Sun
Artist's conception of a flare explosion on EV Lacertae
An artistic illustration of an M-type flare star stripping away the atmosphere of its planet
Barnard's Star
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Barnard's Star is a small red dwarf star in the constellation of Ophiuchus. At a distance of 5.96 light-years from Earth, it is the fourth-nearest-known individual star to the Sun after the three comp
Flare star
…six hours. By comparison, the magnetic field of the Sun averages 1 G (100 μT), although it can rise as high as 3 kG (0.3 T) in active sunspot regions. Barnard's Star is the fourth nearest star to the Sun. At 7–12 billion years of age, Barnard's Star is considerably older than the Sun. It was long assumed to be…
Image of Barnard's Star and its surroundings, c. 2006 (south is up)
Artist's conception of a planet in orbit around a red dwarf
Artist's impression of the surface of a super-Earth orbiting Barnard's Star