Meteorites, Comets and Asteroids
All about Meteorites Comets Asteroids: Meteorite: Stony, iron, stony-iron metal meteoroid or asteroid metal, Cryovolcanism Shape Dwarf Planet Ceres, Asteroid’s Characteristics, planetary shake-up, asteroid Itokawa, NASA’s OSIRIS-REx, Meteorite bombardment. Asteroid asteroids facts size belt types, answers to questions like: How are asteroids formed? Where are asteroids found? What are asteroids made of? Comets Interesting facts, famous names of comets, halley’s comet, the Kuiper Belt and the Oort Cloud frozen ammonia, methane or water, dirty snowballs and questions like: What are comets made of? Where do comets come from? How big are comets?
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Dec 10, 2015Ceres reveals some of its well-kept secrets in two new studies in the journal Nature, thanks to data from NASA's Dawn spacecraft. -
Nov 26, 2015New clues emerge in the mystery of a star with odd light patterns. -
Nov 24, 2015Data 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. -
Oct 30, 2015The 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. -
Oct 15, 2015New research suggests that most of the material that has struck Ceres in high-speed collisions has stuck — billions of years worth of meteorite material. -
Oct 2, 2015Using the MIRO instrument aboard Rosetta, scientists have studied the southern polar regions of its target comet at the end of their long winter season. -
Sep 30, 2015Two 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. -
Sep 23, 2015ESA's Rosetta spacecraft has provided evidence for a daily water-ice cycle on and near the surface of comets. -
Sep 9, 2015The brightest spots on the dwarf planet Ceres gleam with mystery in new views delivered by NASA's Dawn spacecraft. -
Aug 25, 2015The 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.
