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)
Tuesday, December 2, 2014
Frames of Boom
Today's Astronomy Picture of the Day shows several frames (over time) of the odd star Eta Carinae and the expanding "Homunculus Nebula". The unchanging sky, indeed.