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, December 23, 2015
Falling Skies
Today's Astronomy Picture of the Day continues the series of images combining meteor showers and observatories. Here we have the Geminids (above) and the Xinglong Observatory (below).
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