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, August 24, 2013
Today's Astronomy Picture of the Day is an image of our small blue marble made up of over 1,400 even smaller images. Did you wave "at" Saturn and send your picture in? Maybe you were included in this collage!