Where did Earth's water come from? Not melted meteorites, according to scientists
Water makes up 71% of Earth's surface, but no one knows how or when such massive quantities of water arrived on Earth.
Water makes up 71% of Earth's surface, but no one knows how or when such massive quantities of water arrived on Earth.
Planetary Sciences
Mar 15, 2023
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The violent event that likely preceded our solar system's formation holds the solution to a longstanding meteorite mystery, says new work from Carnegie's Alan Boss published in The Astrophysical Journal.
Astronomy
Jun 29, 2022
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A new study of an old meteorite contradicts current thinking about how rocky planets like the Earth and Mars acquire volatile elements such as hydrogen, carbon, oxygen, nitrogen and noble gases as they form. The work is published ...
Planetary Sciences
Jun 16, 2022
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In a novel laboratory investigation of the initial atmospheres of Earth-like rocky planets, researchers at UC Santa Cruz heated pristine meteorite samples in a high-temperature furnace and analyzed the gases released.
Astronomy
Apr 15, 2021
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New studies of a rare type of meteorite show that material from close to the Sun reached the outer solar system even as the planet Jupiter cleared a gap in the disk of dust and gas from which the planets formed. The results, ...
Astronomy
Sep 8, 2020
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The origin of organic matter found in meteorites that formed during the birth of the Solar System 4.5 billion years ago may provide key clues to understanding the birth of life here on Earth.
Space Exploration
Aug 6, 2018
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(Phys.org)—Thinking small has enabled an international team of scientists to gain new insight into the evolution of planetary building blocks in the early solar system.
Space Exploration
Jan 19, 2015
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The water found on the moon, like that on Earth, came from small meteorites called carbonaceous chondrites in the first 100 million years or so after the solar system formed, researchers from Brown and Case Western Reserve ...
Space Exploration
May 9, 2013
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(Phys.org)—Scientists found treasure when they studied a meteorite that was recovered April 22, 2012 at Sutter's Mill, the gold discovery site that led to the 1849 California Gold Rush. Detection of the falling meteorites ...
Space Exploration
Dec 20, 2012
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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 elementswhich include hydrogen, nitrogen, and carbonand ...
Space Exploration
Jul 12, 2012
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