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)
Friday, June 6, 2014
Across the Universe
Today's Astronomy Picture of the Day is a study in perspective as Comet PanSTARRS C/2012 K1 seems to be passing near NGC 3319 in the constellation of Ursa Major.