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)
Monday, December 24, 2018
Fifty Years On (02)
Today's Astronomy Picture of the Day is a "remastered" image from the first crewed orbital mission to visit our Moon. Apollo 8, fifty years ago. Why haven't we been back?
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