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)
Friday, April 12, 2013
Yuri's Planet
Today's Astronomy Picture of the Day shows the night "sky" of the International Space Station. April 12 marks "Yuri's Night", the anniversary of the first crewed flight into space. We've come a long way!
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