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)
Tuesday, January 30, 2018
Venus on the Half Shell
Today's Astronomy Picture of the Day brings us a nightside view of one of our most enigmatic planets: Venus, as viewed by JAXA's Akatsuki orbiter.