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, June 21, 2015
The Seasons of Father Time
Today's Astronomy Picture of the Day is a wonderful set of images courtesy of Damien Peach showing the changes in Saturn's appearance over the past eleven years.