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)
Wednesday, October 15, 2014
Today's Pluto Picture of the Day shows Jupiter's active moon Io's Tvashtar volcano. Yes, like any tourist, New Horizons had to take some pictures on the way to it's actual vacation spot.