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, April 13, 2018
Today's Astronomy Picture of the Day shows spiral galaxy NGC 3344 in the constellation of Leo Minor. The Hubble Space Telescope provides a deep look from core to arms.