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)
Saturday, October 25, 2014
Today's Pluto Picture of the Day shows the Hubble Space Telescope during the STS-125 servicing and upgrade mission. The Hubble has been key in many aspects of the New Horizons mission.