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, September 1, 2014
Ripples of Time and Space
Today's Astronomy Picture of the Day shows the night sky over Tibet. Ripples in the airglow, aurora and starfields.
No comments:
Post a Comment