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)
Thursday, April 24, 2014
Today's Astronomy Picture of the Day shows the Lyrid meteor shower from the southern hemisphere viewpoint of the Atacama desert in Chile. "Mouseover" the picture to get a constellation guide.