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, August 2, 2019
Deep in the Dark
Today's Astronomy Picture of the Day brings us an image of the Chamaeleon II Dark Nebula, a dark star-forming region near the celestial South Pole.