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)
Thursday, December 5, 2013
Number Seven
Today's Astronomy Picture of the Day shows the seventh entry in the Abell Catalog, a planetary nebula in the Constellation of Lepus (the Hare).
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