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, May 11, 2014
(Nearly) Full Mars
Today's Astronomy Picture of the Day shows us Mars in it's glory. Valles Marineris at center, chaotic terrain, windswept dunes, mega-volcanoes on the limb. Mars is a place.