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)
Thursday, November 14, 2013
Today's Astronomy Picture of the World shows NGC 1097, a spiral galaxy in the constellation of Fornax. The galaxy displays four jets, all centered on the galaxies central black hole (but possibly not coming from there).