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)
Sunday, February 2, 2014
Valley of Mars
Today's Astronomy Picture of the Day shows Death Valley and a night sky dominated by Orion and Mars. See what you miss under those streetlights!