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, April 7, 2013
UFO Over the Moon
Today's Astronomy Picture of the Day shows what looks to be a UFO coming into view from behind our Moon. Actually, it's Saturn, undergoing occultation. I've seen this (with Saturn, but also Jupiter) a few times and it is an amazing sight.