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, December 23, 2018
Fifty Years On (01)
Today's Astronomy Picture of the Day is a "video reconstruction" of the famous Earthrise seen by the crew of Apollo 8, the first humans to circle our Moon, fifty years ago. When are we going back?