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Asteroids, Comets and Planetary Defense
Asteroids, Comets and Planetary Defense in Space Science: the news, the names and what changed.
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Latest in Asteroids, Comets and Planetary Defense
Found in 1939, used as a doorstop for decades: Michigan rock identified as meteorite
8+ hour, 58+ min ago (438+ words) A 10.22-kilogram rock that spent decades being used as a barn doorstop on a Michigan farm has been identified as a new IIIAB iron meteorite. The rock, reportedly seen falling near Edmore in 1939, was later examined by scientists at Central…...
Planetary Eccentricity Enhances Inward Comet Transport But Suppresses Gentle Impacts
12+ hour, 22+ min ago (181+ words) [astro-ph.EP] Comets can supply volatile and prebiotic material to rocky planets, but survival of fragile molecules depends on atmospheric entry and impact. Compact planet chains can transfer comets inward at low velocity. We test whether modest planetary eccentricity preserves…...
UAE space probe aims to unlock mysteries of asteroids
10+ hour, 40+ min ago (47+ words) CNN UAE space probe aims to unlock mysteries of asteroids Becky Anderson speaks to Anton Ivanov, Executive Director of Beyond Earth Exploration at TII, about the UAE’s space probe set to travel five billion kilometers over eight years....
Non-Equilibrium Dissipative Morphogenesis in an Anhydrous Enstatite-Rich Nebular Pebble Matrix: Evidence from Organic-Mineral Textures and Stable Isotopes
20+ hour, 58+ min ago (153+ words) Submitted 04 Oct 2026 The paper reports bulk carbon of 16.8422 wt.% from unacidified whole-rock material.[p2] The authors call this total organic carbon. The described measurement, however, is bulk C on unacidified material, not a separately described organic-carbon extraction. The authors say this…...
TII completes asteroid-landing probe for landmark Emirates mission to the asteroid belt
11+ hour, 41+ min ago (905+ words) Zawya TII completes asteroid-landing probe for landmark Emirates mission to the asteroid belt In a first-of-its-kind mission, TII’s probe aboard the MBR Explorer will journey past six asteroids in the main belt before landing on 269 Justitia, making it only the…...
Technology Innovation Institute Completes Asteroid-Landing Probe for Landmark Emirates Mission to the Asteroid Belt
18+ hour, 49+ min ago (160+ words) In a first-of-its-kind mission, TII’s probe aboard the MBR Explorer will journey past six asteroids in the main belt before landing on 269 Justitia, making it only the seventh asteroid in history to be reached on its surface by a probe…...
Interstellar Comet 3I/ATLAS is Spewing Gas Surprisingly Slowly, New Observations Show
15+ hour, 5+ min ago (593+ words) Using spectral data from the Hobby-Eberly Telescope in Texas, astronomers have traced gas from the interstellar comet 3I/ATLAS, only the third object of its kind ever observed, out to more than 85,000 km from its nucleus. The data suggest the gas…...
UAE’s TII probe set to make historic asteroid landing
12+ hour, 55+ min ago (367+ words) In a statement, TII said the probe will soon travel to Colorado, US, for final integration with the MBR Explorer spacecraft ahead of its planned 2028 launch. In a historic first, TII’s probe will image two planets and seven asteroids — flying…...
Eight years, no turning back: UAE’s bold asteroid quest
20+ hour, 45+ min ago (653+ words) The high-stakes mission will push UAE-built technology into space with no room for error Dr. Najwa, and the Mission Director of UAE Space Agency, Engineer Mohsen Al Awadhi described the constraints that make reliability and local expertise central to the…...
Technology Innovation Institute finalise une sonde d’atterrissage sur astéroïde pour la mission historique Emirates Mission to the Asteroid Belt
21+ hour, 20+ min ago (227+ words) Eagle-Tribune H.E. Faisal Al Bannai, Secretary General of the Advanced Technology Research Council (ATRC), and H.E. Belhoul Al Falasi, Chairman of the UAE Space Agency, sign a model of the UAE-built probe developed by the Technology Innovation Institute (TII) for the Emirates…...