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)
Friday, November 6, 2015
Today's Astronomy Picture of the Day shows NGC 3169 and NGC 3166 in the constellation of Sextans (the sextant). The pair of galaxies are interacting, and NGC 3169 seems to be having a poorer time for that interaction.