New Horizons - Pluto and Charon Beginner 07/30/2015 New Horizons - Mountains on Pluto Beginner 07/30/2015 New Horizons - Surface of Pluto Beginner 07/30/2015 New Horizons - Team Reacts to Images Beginner 07/30/2015 Pluto via New Horizons Spacecraft Intermediate 07/14/2015 Dortmund-Ems Canal Advanced 06/21/2015 Percival Lowell observing Venus Advanced 12/12/2014 Solar flare Intermediate 11/20/2014 Supermoon Beginner 08/12/2014 Rhea in front of Saturn Intermediate 08/11/2014