Ancient asteroids identified: related news

Ancient asteroids 'found' in solar system

Astronomers have identified three ancient asteroids which they claim are among our Solar System's oldest objects.

Ancient asteroids formed at Solar System's start

Washington, Mar 24: Three asteroids have been identified as our Solar System's oldest objects, scientists suggests.

Ancient asteroids formed at solar system's start

Using visible and infrared data collected from telescopes on Hawaii’s Mauna Kea, a team of scientists, led by the University of Maryland’s Jessica Sunshine, have identified three asteroids that appear to be among our Solar System’s oldest objects.

Ancient Asteroids Formed At Solar System's Start

Using visible and infrared data collected from telescopes on Hawaii's Mauna Kea, a team of scientists, led by the University of Maryland's Jessica Sunshine, have identified three asteroids that appear to be among our Solar System's oldest objects.

Ancient Asteroids Formed at Solar System's Start

COLLEGE PARK, Md. -- Using visible and infrared data collected from telescopes on Hawaii’s Mauna Kea, a team of scientists, led by the University of Maryland’s Jessica Sunshine, have identified three asteroids that appear to be among our Solar System’s oldest objects.

UMd-Led Team Finds Ancient Asteroids Formed at Solar System's Start

Using visible and infrared data collected from telescopes on Hawaii's Mauna Kea, a team of scientists, led by the University of Maryland's Jessica Sunshine, have identified three asteroids that appear to be among our solar system's oldest objects. Full story

UMd-led team finds ancient asteroids formed at solar system's start

Using visible and infrared data collected from telescopes on Hawaii’s Mauna Kea, a team of scientists, led by the University of Maryland’s Jessica Sunshine, have identified three asteroids that appear to be among our Solar System’s oldest objects.

UMd-led team finds ancient asteroids formed at solar system's start

COLLEGE PARK: Using visible and infrared data collected from telescopes on Hawaii’s Mauna Kea, a team of scientists, led by the University of Maryland’s Jessica Sunshine, have identified three asteroids that appear to be among our Solar System’s oldest objects.

UMd-led team finds ancient asteroids formed at solar system's start

COLLEGE PARK, Md. -- Using visible and infrared data collected from telescopes on Hawaii’s Mauna Kea, a team of scientists, led by the University of Maryland’s Jessica Sunshine, have identified three asteroids that appear to be among our Solar System’s oldest objects.

University of Maryland-Led Team Finds Ancient Asteroids Formed at Solar System's Start

COLLEGE PARK, Md., March 20 (AScribe Newswire) -- Using visible and infrared data collected from telescopes on Hawaii's Mauna Kea, a team of scientists, led by the University of Maryland's Jessica Sunshine, have identified three asteroids that appear to be among our Solar System's oldest objects.

Ancient asteroids identified

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Seawater holds clues to ancient asteroid impacts

Asteroids that strike Earth have cosmic origins, but clues to the size of ancient impactors now have come from a decidedly Earth-bound source: the chemistry of ancient seawater.

Astronomers Find Oldest Known Asteroids

Researchers from the University of Maryland have recently discovered three asteroids that appear to be roughly 4.55 billion years old, dating back to the formation of the Solar System. The scientists say that the asteroids have survived relatively unchanged since that time, and make good candidates for future space missions. "'The fall of the Allende meteorite in 1969 initiated a revolution in the study of the early Solar System,' said Tim McCoy, curator of the national meteorite collection at the Smithsonian's National Museum of Natural History. 'I find it amazing that it took us nearly 40 years to collect spectra of these [CAI-rich] objects and that those spectra would now initiate another revolution, pointing us to the asteroids that record this earliest stage in the history of our Solar System.

The Oldest Asteroids

Stellar Evolution Summary (Mar 25, 2008): Scientists have discovered three asteroids that appear to be among the oldest objects in the Solar System. Studying these asteroids could yield important clues about the origin and evolution of the planets.

Scientists discover oldest known asteroids in solar system

Washington, March 21 : A team of scientists has identified three asteroids that appear to be among our Solar System's oldest objects.

Maryland Led Team Finds Oldest Known Asteroids

Using visible and infrared data collected from telescopes on Hawaii's Mauna Kea, a team of scientists, led by the University of Maryland's Jessica Sunshine, have identified three asteroids that appear to be among our Solar System's oldest objects.

Canada To Launch First Space Mission To Hunt Asteroids

Canada will launch a suitcase-sized satellite in 2009 to spot potentially dangerous asteroids near Earth's orbit. It will be the first space mission devoted to hunting asteroids and may help find ones that are difficult to spot from the ground.

Canada to launch first-ever space mission to search for asteroids

Canada is preparing to launch the first space mission ever to search for asteroids between Earth and the sun -- the type of asteroid most likely to slam into our planet. Fittingly for this country, the Near Earth Object Surveillance Satellite is not a Hubble-sized monster. It is a 60-kilogram micro-satellite, costing a mere $10-million yet able to deliver science results never seen before. NEOSSat will search for asteroids that are closer to the sun than Earth. These are nearly impossible to see from our planet's surface -- there is too much atmosphere and sunshine -- but easier to spot from space. The suitcase-sized satellite is expected to launch in two years. "This is the first space-based asteroid-searching telescope, period. Why shouldn't Canada be the leader in a field? And it happens in this case, we are," said Alan Hildebrand of t

Ancient Asteroids Discovered

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Asteroids that strike Earth have cosmic origins, but clues to the size of ancient impactors now have come from a decidedly Earth-bound source: the chemistry of ancient seawater.

Seawater holds clues to asteroid impacts

Asteroids that strike Earth have cosmic origins, but clues to the size of ancient impactors now have come from a decidedly Earth-bound source: the chemistry of ancient seawater.

[REPORTS] Ancient Asteroids Enriched in Refractory Inclusions

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Want to Find Evidence of Life on Another Planet? Look for Cellulose

Until recently, the oldest evidence of biological material on Earth came from fragments of ancient protein found in Tyrannosaurus Rex dinosaur fossils, dated at 68 million years old. But scientists from the University of North Carolina have found even more ancient biological material — cellulose microfibers—that date to over 250 million years old. These samples of cellulose were found in pristine ancient salt deposits deep beneath the New Mexico desert. This finding comes on the heels of researchers finding huge salt deposits on Mars with the Odyssey orbiter, as well as the Mars Exploration Rover Spirit finding a patch of bright soil that’s believed to be rich with salt. Combined, these findings may help point out destinations for future Mars missions looking for past life on the Red Planet.

Ancient ocean-floor sediment shows asteroid sizes

Countless asteroids have struck Earth during its multi-billion-year history, leaving few clues to their size because they vaporize on impact and leave no crater or fall into the ocean.

Ancient Reptile Fossils Found In Canada

Canadian scientists have identified one of North America's oldest and most complete plesiosaur fossils, and the oldest yet from the Cretaceous Period.

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