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, May 5, 2016
Dance of the Robot
Today's Astronomy Picture of the Day shows robotic observatory SONG (Stellar Observations Network) in operation under the gaze of Orion the Hunter.