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)
Wednesday, March 11, 2015
The Quiet Earth
Above, the silent stars go by. Below, a volcano. Today's Astronomy Picture of the Day shows the Volcan de Fuego in Guatemala. "Mouseover" the image for a constellation guide.