Monday, December 3, 2012

New Region of Space Discovered

NASA's Voyager 1 spacecraft has encountered a previously unknown region of space at the edge of the heliosphere described as a "magnetic highway," an area where the Sun's magnetic field lines are connected to interstellar magnetic field lines allowing for greater traffic of lower-charged particles in both directions.

Saturday, December 1, 2012

Ice Found on Mercury

NASA's Messenger spacecraft has discovered evidence of abundant surface water ice on Mercury located in its permanently shadowed polar regions.