New observations by MESSENGER provide compelling support for the long-held hypothesis that Mercury harbors water ice and other frozen volatile materials in its permanently shadowed polar craters.
Previous surveys showed this ice cap thinning and glaciers retreating. The April 12 mission was to measure several glaciers in the area to see how much the Penny Ice Cap has melted in recent years.
The Sun blows a robust prominence out into space on December 10, 2012
Most neutron stars rotate rapidly, some spinning hundreds of times per second. Scientists have found an unusual, young neutron star with an extremely slow spin - just one turn every 17.7 minutes.
19 MAY 2013 Sunday Experiment Activities for the family showcasing Goddard's science and engineering research and technological developments.
2
JUN
2013
Model Rocket Launches
Like to build model rockets, but don't have a launch pad? Now you do!
Come to Goddard — no fees to participate!
NASA Space Weather Media Viewer
NASA Earth As Art
