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)
Saturday, August 29, 2015
Today's Astronomy Picture of the Day shows The Seagull Nebula, NGC 2327, near Sirius in Canis Major. Clouds glowing red thanks to atomic hydrogen, split by a dark river of cosmic ink leading to one bright star.