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)
Monday, August 10, 2015
Saggittarius Core View
Today's Astronomy Picture of the Day shows Messier 8, Messier 20 and NGC 6559 in the constellation of Sagittarius. The wonders of the summer night!