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)
Thursday, April 21, 2016
Interloper
Today's Astronomy Picture of the Day shows solar system object Comet C/2014 S2 (PanSTARRS) sweeping past deep sky object Messier 97, a "planetary" nebula.
No comments:
Post a Comment