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)
Tuesday, April 10, 2018
The Dragon Awakes
Today's Astronomy Picture of the Day shows auroral activity in the skies of Norway. You've heard of an aurora named Steve? How about an aurora that is a dragon?