News tagged with meteorite

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Iowa meteorite crater confirmed

(Phys.org) —Recent airborne geophysical surveys near Decorah, Iowa are providing an unprecedented look at a 470- million-year-old meteorite crater concealed beneath bedrock and sediments.

dateMar 05, 2013 in Earth Sciences
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Russia meteor not linked to asteroid flyby

New information provided by a worldwide network of sensors has allowed scientists to refine their estimates for the size of the object that entered that atmosphere and disintegrated in the skies over Chelyabinsk, ...

dateFeb 17, 2013 in Space Exploration
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Oxygen to the core

(Phys.org)—An international collaboration including researchers from Lawrence Livermore National Laboratory has discovered that the Earth's core formed under more oxidizing condition's than previously proposed.

dateJan 10, 2013 in Earth Sciences
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