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, March 30, 2016
Today's Astronomy Picture of the Day shows complex structures within nebula found in the obscure constellation of Ara. Just a tiny sampling of the wonders that can be found across the universe!