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)
Wednesday, July 29, 2015
Today's Astronomy Picture of the Day allows us to swim deep into Messier 8, the Lagoon Nebula in the constellation of Sagittarius. The wonders towards the galactic center!