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, July 11, 2014
Today's Astronomy Picture of the Day shows our home star rising over the skyline of Brisbane. Looks like the Sun has had an outbreak of spots.