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, May 5, 2019
Today's Astronomy Picture of the Day is not a scene from a movie. It is the reality of Saturn, brought to us by the Cassini Orbiter. Jaw-dropping stuff.