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)
Monday, June 19, 2017
Today's Astronomy Picture of the Day is a short video showing the path of this summer's solar eclipse. I remember the last total eclipse in the United States and thinking how far off the 2017 eclipse was.