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)
Saturday, April 12, 2014
The Backbone of the Sky
Today's Astronomy Picture of the Day shows us the arch of the Milky Way from the summit of Haleakala on Maui, Hawai'i. "Mouseover" the picture for some constellation guides.