Latest Guest Blog Posts
Traveling confidently and alone, Dawn continues to make its way through the silent depths of the main asteroid belt. The interplanetary adventurer is on its long journey to the uncharted dwarf planet Ceres, by far the largest of all asteroids.
One of the most remarkable minds of 20th century exploration was stilled this morning, August 29, 2013, when Bruce C. Murray died of Alzheimer’s disease at the age of 81. The Planetary Society owes its existence to Bruce.
By now I hope that everyone has seen some of the spectacular images of the Saturn system (and especially Titan!) from the Cassini-Huygens mission. However, the measurements that often make my heart race are taken by instruments that reveal Titan in ways that our eyes cannot see.
New Horizons has just completed a summer of intensive activities and entered hibernation on Aug. 20. The routine parts of the activities included thorough checkouts of all our backup systems (result: they work fine!) and of all our scientific instruments (they work fine too!).
Björn Jónsson produces beautiful color and 3D global mosaics of Vesta from Dawn's archival data.
Opportunity arrived at the base of the next segment of the Endeavour crater rim and is now investigating the contact.
For several weeks now, ground-based observers have been blind to Comet ISON as our local star was sitting directly between us and the comet. I am delighted to share two pieces of good news: first, that ISON is still alive and well, and secondly that it has been recovered.