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)
Sunday, May 20, 2018
Spider
Today's Astronomy Picture of the Day uses our space-based astronomical resources to peer into the heart of the Tarantula Nebula, NGC 2070.
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