Glossary term: Proxima Centauri


Proxima Centauri, also known as Alpha Centauri C, is the nearest star to the Sun at a distance of 4.2 light years. It is too faint to be seen with the naked eye. A red dwarf, it is smaller than the Sun in size and mass and has two known planets revolving around it. It belongs to the Alpha–Centauri star system which is comprised of three gravitationally bound stars.

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