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, February 22, 2016
Flyover Country
Today's Astronomy Picture of the Day is a short video showing detail on Pluto's moon Charon. (Let's pause a moment because some have become complacent already. Video. Pluto. Charon.)
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