longknife Diamond Member Sep 21, 2012 42,221 13,093 2,250 Sin City Mar 14, 2016 Thread starter #421 Explained @ APOD: 2016 March 13 - Neon Saturn
longknife Diamond Member Sep 21, 2012 42,221 13,093 2,250 Sin City Mar 24, 2016 Thread starter #424 Click on the image
longknife Diamond Member Sep 21, 2012 42,221 13,093 2,250 Sin City Mar 28, 2016 Thread starter #427 Cathedral to Massive Stars
longknife Diamond Member Sep 21, 2012 42,221 13,093 2,250 Sin City Jun 5, 2016 Thread starter #433 The Whale Galaxy