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, March 22, 2018
Spiral Dust
Today's Astronomy Picture of the Day is a wonderful shot of NGC 253, a spiral galaxy in the constellation of Sculptor. Discovered by Caroline Herschel (and you should really look up her life!), NGC 253 contains a high concentration of dust and displays an "frantic" amount of star formation. Try hunting it up with your backyard telescope!
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