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, October 5, 2014
Today's Astronomy Picture of the Day is a short video of a 2011 lunar eclipse in Tajikistan. If you're lucky, you'll experience a lunar eclipse this week (on Wednesday).