What is Proxima Centauri?
Q: What is Proxima Centauri?
A: Proxima Centauri is a red dwarf star that is likely a part of the Alpha Centauri star system and is the closest star to the Sun at a distance of 4.22 light-years (3.99×1013 km; 2.48×1013 mi).
Q: Where is Proxima Centauri located?
A: Proxima Centauri is in the constellation of Centaurus.
Q: Who discovered that Proxima Centauri shared the same proper motion as Alpha Centauri?
A: Robert Innes discovered that Proxima Centauri shared the same proper motion as Alpha Centauri in 1915 while he was Director of the Union Observatory in Johannesburg, South Africa.
Q: When did Harlow Shapley say that Proxima Centauri was a flare star?
A: Harlow Shapley said that Proxima Centauri was a flare star in 1951.
Q: How often does Proxima Centuari become measurably brighter?
A: Recorded photographs showed that Proxima Centuari becomes measurably brighter about 8% of the time, making it the most active flare star then found.
Q: How far away from Earth is Proximia Centuari?
A: The distance between Earth and Pr
