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)
Saturday, July 4, 2015
Southern Sky Show
Today's Astronomy Picture of the Day shows several views of the Aurora Australis (auoral activity over the South Pole).
No comments:
Post a Comment