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, June 9, 2014
Pocket Guide
Today's Astronomy Picture of the Day is a handy guide for identifying objects seen in the sky. Are any astronauts waving at you? (If you can see the astronauts waving at you, perhaps you should DUCK?)
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