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Response to Risk of Near-Earth Asteroid Impact
Published 2022-12-01Subjects: “…near-Earth asteroid, impact hazards, impact risk response, monitoring and early warning, on-orbit disposal, international cooperation…”
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Hydrodynamics of tsunamis generated by asteroid impact in the Black Sea
Published 2012-04-01Subjects: “…asteroid impact…”
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TWO- AND THREE-DIMENSIONAL SIMULATIONS OF ASTEROID OCEAN IMPACTS
Published 2003-01-01Subjects: Get full text
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Asteroid impact: the potential of astrocytes to modulate human neural networks within organoids
Published 2023-11-01Get full text
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Short-Term Consequences of Asteroid Impacts into the Ocean: A Portuguese Case Study
Published 2022-05-01“…Asteroid impacts are a proven global threat, meaning that any location on Earth might be a subject to their consequences. …”
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Dinosaur biodiversity declined well before the asteroid impact, influenced by ecological and environmental pressures
Published 2021-06-01“…Dinosaurs are thought to have been driven extinct by an asteroid impact 66 million years ago. Here, Condamine et al. show that six major dinosaur families were already in decline in the preceding 10 million years, possibly due to global cooling and competition among herbivores.…”
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A Parallelized Genetic Algorithm to Evaluate Asteroid Impact Missions Using Electric Propulsion
Published 2022-02-01“…It was then applied to examine the utility of a specific thruster for an asteroid impact mission. This method was validated by comparing impact speeds of non-thruster results with the DART mission, which does not significantly use the equipped ion thruster. …”
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Numerical modeling of laboratory-scale asteroid impact based on elastoplastic flow model and CESE method
Published 2021-12-01“…Asteroid impacts are destructive and low-probability threats to the Earth. …”
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Modelling the Present Global Terrestrial Climatic Response Due to a Chicxulub-Type Asteroid Impact
Published 2020-07-01Subjects: Get full text
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Thermochemical equilibrium calculations of high-temperature O2 generation on the early Earth: Giant asteroid impacts on land
Published 2003-02-01“…Recent computation modelling has suggested that a superheated (ca. 2000 K) H2O vapor atmosphere of 1.4x1021 kg (the present mass of the oceans) lasting for about 3000 y could probably have been formed on Earth by an enormous (ca. 1028 J) asteroid impact. In this report, the occurrence of the thermochemical dissociation of the vapor, creating a primitive oxygenic (ca. 0.1 of the present level (PAL) of free O2) atmosphere.…”
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Thermochemical equilibrium calculations of high-temperature O2 generation on the early Earth: Giant asteroid impact on land
Published 2003-01-01“…Recent computation modeling has suggested that a superheated (ca. 2000 K) H2O vapor atmosphere of 1.4x1021 kg (the present mass of the oceans) lasting for about 3000 y could probably have been formed on Earth by an enormous (ca. 1028 J) asteroid impact. In this report, the occurrence of the thermochemical dissociation of the vapor, creating a primitive oxygenic (ca. 0.1 of the present level (PAL) of free O2) atmosphere.…”
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Numerical Modeling of an Asteroid Impact on Earth: Matching Field Observations at the Chicxulub Crater Using the Distinct Element Method (DEM)
Published 2023-05-01Subjects: “…asteroid impact…”
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Searching for potential multi-hazard events during the last 1.5 million years of the Pleistocene epoch
Published 2022-07-01Subjects: Get full text
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SAGE CALCULATIONS OF THE TSUNAMI THREAT FROM LA PALMA
Published 2006-01-01Subjects: Get full text
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Geochemistry of the Cretaceous-Tertiary transition boundary at Blake Nose (N.W. Atlantic): Cosmogenic Ni
Published 2004-03-01“…The Cretaceous-Tertiary (KT) boundary transition at the Blake Nose Plateau recovered by ODP Leg 171B (site 1049, hole A, core 17X, section 2) contains an ejecta bed (thickness ca. 17 cm) marking a late Cretaceous asteroid impact. The nature and geochemical composition of this bed imply that it originated mainly from the target rocks of the Chicxulub impact site (Yucatan Peninsula, Mexico), the site of the presumed asteroid impact. …”
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Geochemistry of the cretaceous-tertiary transition boundary at Blake Nose (N. W. Atlantic): Cosmogenic Ni
Published 2004-01-01“…The Cretaceous-Tertiary (KT) boundary transition at the Blake Nose Plateau recovered by ODP Leg 171B (site 1049, hole A, core 17X, section 2) contains an ejecta bed (thickness ca. 17 cm) marking a late Cretaceous asteroid impact. The nature and geochemical composition of this bed imply that it originated mainly from the target rocks of the Chicxulub impact site (Yucatan Peninsula, Mexico), the site of the presumed asteroid impact. …”
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