A Brighter Moon

Although Dione (near) and Enceladus (far) are composed of nearly the same materials, Enceladus has a considerably higher reflectivity than Dione. via NASA http://ift.tt/1HVSs50

Fingerprints of Water on the Sand

NASA astronaut Kjell Lindgren took this photograph on Nov. 11, 2015 from the International Space Station. Lindgren wrote, "The delicate fingerprints of water imprinted on the sand. The #StoryOfWater." via NASA http://ift.tt/1Mxtpaz

Veiny 'Garden City' Site and Surroundings on Mount Sharp, Mars

This March 27, 2015, view from the Mast Camera (Mastcam) on NASA's Curiosity Mars rover shows a site with a network of prominent mineral veins below a cap rock ridge on lower Mount Sharp. via NASA http://ift.tt/1H0kNMM

Psychedelic Pluto

New Horizons scientists made this false color image of Pluto using a technique called principal component analysis to highlight the many subtle color differences between Pluto's distinct regions. via NASA http://ift.tt/1llORbL

Scott Kelly on the Second Spacewalk of Expedition 45

On Nov. 6, 2015, NASA astronauts Scott Kelly and Kjell Lindgren spent 7 hours and 48 minutes working outside the International Space Station on the 190th spacewalk in support of station assembly and maintenance. The astronauts restored the port truss (P6) ammonia cooling system to its original configuration, the main task for the spacewalk. via NASA http://ift.tt/1kK3Z2c

Layers and Fractures in Ophir Chasma, Mars

Ophir Chasma forms the northern portion of the vast Mars canyon system Valles Marineris, and this image, acquired on Aug. 10, 2015, by the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter, features a small part of its wall and floor. via NASA http://ift.tt/1RIGilw

Orion Service Module Stacking Assembly Secured For Flight

The Orion spacecraft service module stacking assembly interface ring and stack holding stand are secured on a special transportation platform and are being loaded into NASA's Super Guppy aircraft at the Shuttle Landing Facility at Kennedy Space Center. On Nov. 3, the Guppy flew from Kennedy to Glenn Research Center's Plum Brook Station facility. via NASA http://ift.tt/1GOPEMa