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)
Wednesday, October 16, 2019
Present at the Creation
Today's Astronomy Picture of the Day is an image (not visible light!) of a binary star system in the process of formation.
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