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, October 31, 2014
Ralph and Leesa
Today's Pluto Picture of the Day shows more images (from LEISA and Ralph—if that's an acronym, I haven't been able to find what it means!) of the New Horizons gravity assist flyby of Jupiter in 2007.