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)
Monday, March 5, 2018
Today's Astronomy Picture of the Day shows the famous Hubble Deep Field. "Mouseover" the image in the link for not only an enlarged view but a musical accompaniment.