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)
Friday, April 12, 2019
Spring Rose
Today's Astronomy Picture of the Day brings us an image of NGC 2237, The Rosette Nebula, in the constellation of Monoceros.
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