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)
Monday, April 29, 2013
Stone Tree, Star Arch
Today's Astronomy Picture of the Day shows Teide National Park in the Spanish Canary Island of Tenerife. Stone trees and the arch of the Milky Way. "Mouseover" the image to get a constellation guide.