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, May 7, 2014
Today's Astronomy Picture of the Day is an image by the Mars Science Laboratory, Curiosity, on it's way to "Mount Sharp" in Gale Crater. "Mount Remarkable" is only five meters in height, but Curiosity will stop and take a look.