Col. Robert Calder
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3 days ago · Alpha Centauri (α Centauri, α Cen, or Alpha Cen) is a triple star system in the southern constellation of Centaurus.It consists of three stars: Rigil Kentaurus (α Centauri A), Toliman (α Centauri B), and Proxima Centauri (α Centauri C).Proxima Centauri is the closest star to the Sun at 4.2465 light-years (1.3020 pc).. α Centauri A and B are Sun-like stars (class G and K, respectively ...
3 days ago · It has the longest orbital time of any exoplanet so far at 1.4 million years. Gliese 1289 b 0.01655 +0.002958 −0.003052: 111.74 0.27 ± 0.01 150 radial vel. 28.88 0.21 ± 0.02 3296 ± 30 Another planet candidate around Gliese 3378 (a similar red dwarf) was reported. HD 21520 b 0.02486 +0.01007 −0.00944: 0.2409 ± 0.008 25.13 0.1726 ± 0. ...
