Posts Tagged ‘meteorites’

Did water on moon come from Earth?

BROWN (US) — Water inside the moon’s mantle came from primitive meteorites, the same source believed to have supplied most of the water on Earth, researchers report. Continue…

Friday, May 10, 2013 11:54 - 1 Comment

Meteorite ‘mosaic’ hints at life on Mars

MICHIGAN STATE (US) — To figure out if conditions on Mars were ever right for life, scientists have examined a meteorite that that formed there more than a billion years ago. (more…)

Did sand in meteorites come from supernova?

WASHINGTON U. – ST. LOUIS (US) — Two tiny grains of silica found in primitive meteorites could be from the same supernova, a massive star that exploded at the end of its life. (more…)

Science & Technology - Apr 4, 2013 10:14 - 4 Comments

Did phosphorous from space spark life on Earth?

U. LEEDS (UK) — Experiments suggest that unusual phosphorus chemicals from meteorites could have given power to Earth’s “primordial soup.” (more…)

Rare, fast meteorite took roundabout path

UC DAVIS (US) — The minivan-size meteorite that exploded over California in April was among the fastest, rarest meteorites known to have hit the Earth.

Science & Technology - Dec 17, 2012 13:00 - 2 Comments

At solar system’s birth, no exploding star

U. CHICAGO (US) —New research challenges the notion that the force of an exploding star prompted the formation of the solar system. (more…)

Science & Technology - Dec 12, 2012 12:41 - 1 Comment

See grains gang up when big impact hits

DUKE (US) — High-speed video of projectiles slamming into a bed of disks provides a new microscopic picture of how a meteorite or missile transfers the energy of its impact to sand and dirt grains. (more…)

Science & Technology - Nov 26, 2012 15:30 - 1 Comment

To predict volcano’s impact, grab the TNT

U. BUFFALO (US) — Scientists have blown holes into the Earth to study maar craters and, hopefully, better predict the next big volcano. (more…)

Earth & Environment - Sep 20, 2012 6:46 - 0 Comments

Clovis-era impact: Did critics miss evidence?

U. OREGON (US) — A group challenging the theory of a North American meteor-impact event some 12,900 years ago may have missed supporting evidence because they didn’t follow three critical protocols. (more…)

Science & Technology - Jun 26, 2012 16:57 - 0 Comments

1969 meteorite yields new primitive mineral

CALTECH (US) — A new mineral—one of the solar system’s oldest—has been discovered in a meteorite that scattered across Chihuahua, Mexico in 1969. (more…)

Science & Technology - Oct 12, 2011 15:30 - 0 Comments

Early Mars likely warm and wet

CALTECH (US) — Researchers have directly determined the surface temperature of early Mars for the first time, providing evidence that’s consistent with a warmer and wetter Martian past. (more…)

Science & Technology - May 25, 2011 16:35 - 3 Comments

Mars grew fast but stayed small

U. CHICAGO (US) — Mars formed quickly—in as little as two to four million years after the birth of the solar system—which helps explain why it is so small, say researchers. (more…)

Earth & Environment - Mar 2, 2011 12:12 - 0 Comments

Chromium sank to early Earth’s core

UC DAVIS (US) — By comparing meteorites to Earth rocks, researchers have solved the mystery of the planet’s missing chromium—and gained a clearer picture of early Earth. (more…)

Science & Technology - Sep 9, 2010 16:46 - 0 Comments

Supernova shrapnel found in meteorite

U. CHICAGO (US)—Scientists have identified the microscopic shrapnel of a nearby star that exploded just before or during the birth of the solar system 4.5 billion years ago. (more…)

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