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, August 21, 2019
If We Could See Deeper
Today's Astronomy Picture of the Day shows the constellation of Orion—if we could see "deeper". What wonderful structures! What vibrant colors! "Mouseover" the image in the link for a guide.