News tagged with early earth

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Life's first taste of phosphorus

Despite its impressive biological resume, phosphorus is relatively inaccessible as elements go. To understand how phosphorus obtained its prominent role, scientists are modeling the early geochemical environment ...

dateAug 23, 2012 in Earth Sciences
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Solar system ice: Source of Earth's water

Scientists have long believed that comets and, or a type of very primitive meteorite called carbonaceous chondrites were the sources of early Earth's volatile elements—which include hydrogen, nitrogen, ...

dateJul 12, 2012 in Space Exploration
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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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