News tagged with carbonaceous chondrites

New study finds oceans arrived early to Earth

Earth is known as the Blue Planet because of its oceans, which cover more than 70 percent of the planet's surface and are home to the world's greatest diversity of life. While water is essential for life on the planet, the ...

dateOct 30, 2014 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, and carbon—and ...

dateJul 12, 2012 in Space Exploration
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