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)
Sunday, November 1, 2015
Arches and Buttes
Today's Astronomy Picture of the Day has the buttes of Monument Valley supporting the arch of the Milky Way. "Mouseover" the image (in the link!) to get a guide to both the sky and ground.