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)
Thursday, May 2, 2013
Today's Astronomy Picture of the Day is a fantastic shot (courtesy of the long-running Cassini orbiter) of the long-lived polar hurricane on Saturn. What mad universe!