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, September 5, 2014
Today's Pluto Picture of the Day shows one of the images obtained by New Horizons as it used Jupiter's gravity well to slingshot it's way out towards Pluto. Bonus science while testing instruments!