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)
Tuesday, May 7, 2019
Today's Astronomy Picture of the Day shows us The Great Nebula in the constellation of Carina. Star creation and impending star destruction in one view.