AstroEvent of the Week: 25.05.09: Castor: a Sextuplet Star!
May 25, 2009 by David Dickinson
Filed under Astro News & Commentary, Weekly Astro-events
Luke’s view if Tatooine orbited Castor…(Credit: Lucasfilm Ltd; additional Suns added in Paint).
This week’s astro-challenge is a unique multiple star system…Castor, also known as Alpha Geminorum, rides high in the west of the northern hemisphere sky on clear late May evenings. Shining at a brightness of magnitude +1.6, it forms one half [...]






