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)
Tuesday, February 12, 2013
Fire in the Sky
Today's Astronomy Picture of the Day shows the Northern Lights over Alaska...and reflected back in a pond from below. "Mouseover" the picture to see constellation outlines.
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