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Zoology and wildlife conservation

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Abstracts » Zoology and wildlife conservation

Fast delivery of meteorites to Earth after a major asteroid collision

Article Abstract:

High-sensibility measurements of noble gases produced by cosmic rays in chromite grains which forms a unique suite of fossil meteorites is reported. The data provided powerful evidence that the unusual meteorite was the result of a long-lasting rain of meteorites following the destruction of an asteroid and showed that one strong resonance in the main asteroid belt can deliver material into the inner Solar system.

Author: Baur, Heinrich, Heck, Phillip R., Schnitz, Birger, Halliyday, Alex N., Wieler, Rainer
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2004
Observations, Meteorites, Asteroid belts

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Anti-terror study tracks gas dispersal

Article Abstract:

The Department of Homeland Security (DHS) is conducting a research programme in New York for improving the response of the United States against possible terrorist attacks. Seven different inert gases released in the city are tracked for testing and refining the models of the spreading of chemical, biological or radioactive material through the city.

Author: Simonite, Tom
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2005
United States, Control, Chemical warfare, United States. Department of Homeland Security, Antiterrorism measures

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Earth holds its breath

Article Abstract:

Researchers reveal that highly incompatible volatile elements that is inert gases like argon and helium escape the melt and gets degassed into Earth's atmosphere.

Author: Ballentine, Chris J.
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2007
Composition, Planetary atmospheres, Planets, Lithosphere

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Subjects list: Research, Noble gases, Gases, Rare
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