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, November 25, 2018
The Falling Potato
Today's Astronomy Picture of the Day is an image of Phobos, one of the two moons of Mars, courtesy of the Viking 1 Orbiter. Take a good look, Phobos will not always be with us.