These great hollow globes of artificial super-metals, and artificial transparent adamant, ranged in size from the earliest and smallest structures, which were no bigger than a very small asteroid, to spheres considerably larger than the Earth. (Olaf Stapledon, STAR MAKER)
Sunday, May 26, 2013
Today's Astronomy Picture of the Day is a really beautiful shot of Comet PanSTARRS (C/2011 L4) as it moves into the outer realms of the solar system. Wonderful detail on the "anti-tail"!