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 6, 2017
Barnard's Loop
Today's Astronomy Picture of the Day takes a look at LDN 1633 and Barnard's Loop. Dust, gas and birthing stars, oh my!
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