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)
Saturday, September 7, 2013
Stone Cold Forest
Today's Astronomy Picture of the Day shows the night sky over the "ice forest" in the Chilean Andes. Could be Mars! ("Mouseover" the picture in order to call up a constellation guide.)
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