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, April 9, 2017
Today's Astronomy Picture of the Day brings us Comet Hale-Bopp (C/1995 O1), which dazzled us in 1997. Currently there are three (!) binocular comets in the sky, so get out and take a look!