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Gliese 710

The variable red dwarf is heading nearly directly for us and in about 1.5 million years will have only 1 light-year distance. Then it will shine as bright as Antares and throw some comets from the Oort Cloud to the direction of the Sun.

Constellation: Ophiuchus
Distance: 63 light-years
Spectral class: K5-M1
Visual magnitude: 9
Luminosity: 0.042 * Sun
Mass: 0.4 - 0.6 * Sun
Diameter: 0.67 * Sun
Radial velocity: 14 km/sec

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    Gliese 710
Photo: Palomar Digitized Sky Survey

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