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, August 8, 2013
Today's Astronomy Picture of the Day shows that the Hubble Space Telescope is still doing pretty good for an aging instrument that needs corrective lenses. NGC 3370 in Leo struts its stuff.