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, April 3, 2014
Edgeworks
Today's Astronomy Picture of the Day shows a star-forming region along the edge of NGC 2174 in the constellation of Orion.
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