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)
Tuesday, December 29, 2015
Dusty Lanes
Today's Astronomy Picture of the Day reveals the dusty interior of Messier 42 and 43, The Great Nebula of Orion.
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