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, September 2, 2013
Still Life (with Diagrams)
Today's Astronomy Picture of the Day shows the arch of the Milky Way over the late summer skies of Bardenas Reales in Spain. "Mouseover" the image to get a handy guide to the constellations!