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NEOWISE Identifies Greenhouse Gases in Comets
Nov 24, 2015
Data from NASA's NEOWISE mission are giving new insights into comet dust, nucleus sizes, and production rates for difficult-to-observe gases like carbon dioxide and carbon monoxide.
Halloween Skies to Include Dead Comet Flyby
Oct 30, 2015
The large space rock that will zip past Earth this Halloween is most likely a dead comet that, fittingly, bears an eerie resemblance to a skull.
What smacks into Ceres stays on Ceres
Oct 15, 2015
New research suggests that most of the material that has struck Ceres in high-speed collisions has stuck — billions of years worth of meteorite material.
Rosetta’s First Peek at the Comet’s Dark Side
Oct 2, 2015
Using the MIRO instrument aboard Rosetta, scientists have studied the southern polar regions of its target comet at the end of their long winter season.
How Rosetta's Comet Got Its Shape
Sep 30, 2015
Two comets collided at low speed in the early Solar System to give rise to the distinctive ‘rubber duck’ shape of Comet 67P/C-G, say Rosetta scientists.
Rosetta Reveals Comet's Water-Ice Cycle
Sep 23, 2015
ESA's Rosetta spacecraft has provided evidence for a daily water-ice cycle on and near the surface of comets.
Ceres' Bright Spots Seen in Striking New Detail
Sep 9, 2015
The brightest spots on the dwarf planet Ceres gleam with mystery in new views delivered by NASA's Dawn spacecraft.
Dawn Sends Sharper Scenes from Ceres
Aug 25, 2015
The closest-yet views of Ceres, delivered by NASA's Dawn spacecraft, show the small world's features in unprecedented detail, including Ceres' tall, conical mountain; crater formation features and narrow, braided fractures.
Cruise Over Ceres in New Video
Aug 9, 2015
Striking 3-D detail highlights a towering mountain, the brightest spots and other features on dwarf planet Ceres in a new video from NASA's Dawn mission.
Science on the Surface of a Comet
Aug 2, 2015
Early results from Philae’s first suite of scientific observations of Comet 67P/Churyumov-Gerasimenko were published this week in a special edition of the journal Science.
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