Research gives new insights into 4 billion year-old meteorites
(PhysOrg.com) -- Scientists have gained new insight into the makeup of ancient meteorites called Carbonaceous Chondrites, in research published in the October edition of the journal Earth Science and...
View ArticleMeteorites: Tool kits for creating life on Earth
Meteorites hold a record of the chemicals that existed in the early Solar System and that may have been a crucial source of the organic compounds that gave rise to life on Earth. Since the 1960s,...
View ArticleTeam finds asteroids were bombarded by iron loving elements too
(Phys.org) -- A team made up of a diverse group of researchers has found after studying the composition of several asteroids that most such planetesimals had an abundance of highly siderophile elements...
View ArticleSolar 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 elementswhich include hydrogen, nitrogen,...
View ArticleDawn mission discovers hydrogen on giant asteroid Vesta (w/ Video)
(Phys.org)—The first measurements of the elemental composition of the surface of the giant asteroid Vesta indicate that hydrogen was brought to the body by impactors, research by a team led by...
View ArticleWater on Moon and Earth came from same primitive meteorites, analysis shows
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...
View ArticlePotential solution to meteorite mystery: Chondrules may have formed from...
(Phys.org) —A normally staid University of Chicago scientist has stunned many of his colleagues with his radical solution to a 135-year-old mystery in cosmochemistry. "I'm a fairly sober guy. People...
View ArticleResearchers find evidence that suggests not all sulfur in the Earth's mantle...
(Phys.org) —A team of researchers from Université Paris Diderot has found evidence that contradicts the prevailing view among scientists that virtually all of the sulfur found in the Earth's mantle...
View ArticleMeteorite find may be 'missing half' of interstellar collision
(Phys.org) —A team of researchers with members from the U.S., Sweden and Switzerland studying a meteorite found in a Swedish quarry is reporting that the rock is unlike anything else ever found. In...
View ArticleNew 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...
View ArticleChondritic hypothesis: New discovery shakes beliefs of Earth to the core
(PhysOrg.com) -- For a century, scientists have assumed that the Earth has same chemical make-up as the sun. But this belief has been challenged by scientists at The Australian National University.
View ArticleGeochemist duo offer new explanation for dearth of xenon in Earth's atmosphere
(Phys.org)—The Earth's atmosphere holds far less xenon than chondritic meteorites, and researchers have sought for years to explain why. Now, geochemists Svyatoslav Shcheka and Hans Keppler of...
View ArticleMeteorite samples provide definitive evidence of water and rock types on Mars
Researchers at the Tokyo Institute of Technology, NASA's Johnson Space Center, Lunar Planetary Institute, and Carnegie Institute of Washington report on geochemical studies that help towards settling...
View ArticleTeam studies rare meteorite possibly from the outer asteroid belt
(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...
View ArticleMeteorite crashes through roof of a house in Connecticut
A rock that crashed through a house in Connecticut last weekend has been confirmed to be a meteorite.
View ArticleStudy shows how planetary building blocks evolved from porous to hard objects
(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.
View ArticleNuclear techniques reveal inner structure of iron meteorities non-invasively
Neutron computer tomography at ANSTO has been used in one of the first studies to reconstruct the interior structure of rare iron meteorites non-invasively.
View ArticleA new, water-logged history of the Moon
After the Apollo missions scooped up rocks from the Moon's surface and brought them home, scientists were convinced for decades that they had proof our nearest celestial neighbour was drier than a bone.
View ArticleResearchers find Earth composed of different materials than primitive meteorites
Scientists from Lawrence Livermore National Laboratory (LLNL) have found that, contrary to popular belief, the Earth is not comprised of the same material found in primitive meteorites (also known as...
View ArticleCarbonaceous chondrites shed light on the origins of life in the universe
A Spanish-Italian team led by the Spanish National Research Council (CSIC) has discovered that one type of meteorite known as carbonaceous chondrites are capable of synthesising organic compounds which...
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