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 3, 2015
Today's Astronomy Picture of the Day is another view of the conjunction between Jupiter and Venus, but from the telescopic perspective (lovely details from both planets!).