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, February 16, 2016
Emitting and Reflecting
Today's Astronomy Picture of the Day has the Hubble Space Telescope focusing on the star-forming regions of Sharpless 2-106, a nebula in the constellation of Cygnus.
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