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, January 23, 2017
Gaming the Sky
Today's Astronomy Picture of the Day shows the Winter Hexagon over the skies of Maula Reservoir. "Mouseover" the image (in the link) for a constellation guide.