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, October 15, 2013
Deep Red
Today's Astronomy Picture of the Day is of NGC 4472, The Great Carina Nebula. The bright star near the center, to the left of the Keyhole Nebula? Eta Carinae, a very likely supernova.
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