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)
Sunday, November 24, 2013
Comet
Today's Astronomy Picture of the Day shows Comet Hale-Bopp over the skies of Joshua Tree National Park (California) in 1997.
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