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)
Wednesday, October 29, 2014
Glow Worm
Today's Astronomy Picture of the Day shows an iridescent cloud edge over Colorado (bonus: during a partial solar eclipse!).
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