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, December 31, 2018
But It Isn't Halloween!
Today's Astronomy Picture of the Day shows a spooky sight, The Witch Head Nebula, in the constellation of Orion. Possibly more appropriate for Halloween than New Year's Eve, maybe this witch can tell us our galactic future?