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)
Tuesday, January 21, 2014
It's All Relative
Today's Astronomy Picture of the Day shows the difference between the "Micro Moon" and the "Super Moon". There isn't much difference between the two!