When the Voyager 1 and 2 spacecraft flew by Saturn in 1980 and 1981, they were able to pay only fleeting attention to Titan, the second largest moon in the solar system (larger even than the planet Mercury) and the only solar system moon with an appreciable atmosphere. These images are from subsequent Titan flybys in 2005 and 2006. - Image credit: NASA / JPL / University of Arizona
Pluto's giant moon Charon may have had a buried ocean. In July of 2015, NASA's New Horizons spacecraft will be the first to visit Pluto and Charon, and will provide the most detailed observations to date.
Moon shown in highest resolution yet in image made of 32,000 pictures
Nasa has released an image taken by the probe's Visual and Infrared Spectrometer (Virs) to reveal distinct features such as volcanic vents and fresh craters. To highlight the geological features, the images have been overlain on a black and white mosaic from the Mercury Dual Imaging System (MDIS)
Before Kathryn Johnson became a Physicist & Mathematician responsible for putting men on the moon, she was a teacher and Stay At Home Mom. Later, she applied to NASA to calculate trajectories for space flights.