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, November 30, 2013
Today's Astronomy Picture of the Day is a short video showing the fall of Comet ISON towards the Sun. ISON appears to have survived...barely. It is significantly diminished in magnitude and even form.