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, April 27, 2013
By the Way, Which One is Pink?
Today's Astronomy Picture of the Day will have you breaking out your classic red-green glasses. Hey, look, we're on Mars! And there's Mount Lookitthat!