Tags Meteorites

Tag: Meteorites

Transformations to granular zircon revealed: Meteor Crater, Arizona

Having been reported in lunar samples returned by Apollo astronauts, meteorites, impact glass, and at a number of meteorite craters on Earth, granular zircon...

Cataclysm at Meteor Crater: Crystal sheds light on Earth, moon, Mars

In molten sandstone extracted by prospectors a century ago, an international team of scientists has discovered microscopic crystals telling of unimaginable pressures and temperatures...

Opal discovered in Antarctic meteorite

Planetary scientists have discovered pieces of opal in a meteorite found in Antarctica, a result that demonstrates that meteorites delivered water ice to asteroids...

Mercury’s origins traced to rare meteorite

Around 4.6 billion years ago, the universe was a chaos of collapsing gas and spinning debris. Small particles of gas and dust clumped together...

New type of meteorite linked to ancient asteroid collision

An ancient space rock discovered in a Swedish quarry is a type of meteorite never before found on Earth, scientists reported June 14 in...

Cosmochemists find evidence of rare element in early solar system

University of Chicago scientists have discovered evidence in a meteorite that a rare element, curium, was present during the formation of the solar system....

Student Researcher Cracks Origin Story of Meteorite

A Florida State University student has cracked the code to reveal the deep and interesting history of an ancient meteorite that likely formed at...

Meteorite bashing changed Earth’s chemistry, study says

In its early life, Earth suffered a meteorite pummelling that lasted 100 million years and may have changed its chemical makeup forever, researchers said...

Scientists use lasers to simulate shock effects of meteorite impact on...

Scientists used high-power laser beams at the Department of Energy's SLAC National Accelerator Laboratory to simulate the shock effects of a meteorite impact in...

340 undiscovered meteorite impact sites on Earth, geologists calculate

The geologists Prof. Dr. Stefan Hergarten and Prof. Dr. Thomas Kenkmann from the Institute of Earth and Environmental Sciences of the University of Freiburg...

Scientists find methane in Mars meteorites

An international team of researchers has discovered traces of methane in Martian meteorites, a possible clue in the search for life on the Red...

Dating the moon-forming impact event with meteorites

Through a combination of data analysis and numerical modeling work, researchers have found a record of the ancient Moon-forming giant impact observable in stony...

Meteorites key to the story of Earth’s layers

A new analysis of the chemical make-up of meteorites has helped scientists work out when the Earth formed its layers. The research by an international...

What happens underground when a missile or meteor hits

When a missile or meteor strikes the earth, the havoc above ground is obvious, but the details of what happens below ground are harder...

Meteorite may represent ‘bulk background’ of Mars’ battered crust

NWA 7034, a meteorite found a few years ago in the Moroccan desert, is like no other rock ever found on Earth. It's been...

Death of a dynamo: A hard drive from space

Hidden magnetic messages contained within ancient meteorites are providing a unique window into the processes that shaped our solar system, and may give a...

Tales from a Martian rock

A new analysis of a Martian rock that meteorite hunters plucked from an Antarctic ice field 30 years ago this month reveals a record...

Traces of Martian biological activity could be locked inside a meteorite

Did Mars ever have life? Does it still? A meteorite from Mars has reignited the old debate. An international team that includes scientists from...

Meteorite fragments discovered 20 years after bolide event in Czech Republic

Astronomy & Astrophysics is publishing the spectacular discovery of meteorite fragments 20 years after the corresponding bolide was seen in the skies of the...

Martian meteorite: Implications of a newly discovered mineral-rich structure

A new ovoid structure discovered in the Nakhla Martian meteorite is made of nanocrystalline iron-rich clay, contains a variety of minerals, and shows evidence...

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