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)
Saturday, March 18, 2017
JWST
Today's Astronomy Picture of the Day shows the James Webb Space Telescope in the clean room at Goddard. I really hope this thing works!
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