News tagged with early earth

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'Baby fat' on the young sun?

To deal with the faint young Sun paradox, researchers are taking a fresh look at an old idea: that the Sun started out larger and more luminous than we thought.

dateFeb 14, 2012 in Astronomy
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Rendezvous with a near Earth object

(PhysOrg.com) -- One of the most accessible goals for human spaceflight is a rendezvous with a Near Earth Object (NEO). NEOs are asteroids or comets whose orbits take them close to the earth's orbit. An NEO might someday ...

dateOct 25, 2011 in Space Exploration
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Poisonous oceans delayed animal evolution

Animals require oxygen, but oxygenated environments were rare on early Earth. New research from University of Southern Denmark shows that poisonous sulfide existed in the oceans 750 million years ago making large areas of ...

dateOct 24, 2011 in Earth Sciences
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Fossil moths reveal their true colors

Moths dead for 47 million years are again showing their true colors. For the first time, scientists have reconstructed the colors of an ancient fossil moth. The findings detailed not just a few spots of color, but the appearance ...

dateOct 12, 2011 in Archaeology & Fossils
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