News tagged with asteroid bombardment
Tiny 'spherules' reveal details about Earth's asteroid impacts
(Phys.org) -- Researchers are learning details about asteroid impacts going back to the Earth's early history by using a new method for extracting precise information from tiny "spherules" embedded in layers ...
Space & Earth / Earth Sciences
Apr 25, 2012 |
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The origin of the moon's craters
(PhysOrg.com) -- Moon's craters, together with samples of the surface returned during the Apollo program, tell the story of impacts from two different populations of small bodies. The first rocky collection ...
Space & Earth / Space Exploration
Mar 19, 2012 |
4 / 5 (2) |
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Biggest, Deepest Crater Exposes Hidden, Ancient Moon
(PhysOrg.com) -- Shortly after the Moon formed, an asteroid smacked into its southern hemisphere and gouged out a truly enormous crater, the South Pole-Aitken basin, almost 1,500 miles across and more than ...
Space & Earth / Space Exploration
Mar 04, 2010 |
4.3 / 5 (10) |
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Search results for asteroid bombardment
A new look at Apollo samples supports ancient impact theory
New investigations of lunar samples collected during the Apollo missions have revealed origins from beyond the Earth-Moon system, supporting a hypothesis of ancient cataclysmic bombardment for both worlds.
Space & Earth / Space Exploration
May 24, 2012 |
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Study of moon rocks shows barrage 4 billion years ago was mainly asteroids
(Phys.org) -- Researchers have known for some years that the Earth and moon were subjected to a veritable barrage of objects striking their surfaces nearly four million years ago, but less certain was whether ...
Space & Earth / Space Exploration
May 18, 2012 |
3.2 / 5 (6) |
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Asteroid collision that spawned Vesta's asteroid family occurred more recently than thought
A team of researchers led by a NASA Lunar Science Institute (NLSI) member based at Southwest Research Institute has discovered evidence that the giant impact crater Rheasilvia on Asteroid (4) Vesta was created ...
Space & Earth / Space Exploration
May 10, 2012 |
4.8 / 5 (4) |
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You're beautiful, Vesta
When UCLA's Christopher T. Russell looks at the images of the protoplanet Vesta produced by NASA's Dawn mission, he talks about beauty as much as he talks about science.
Space & Earth / Space Exploration
May 10, 2012 |
5 / 5 (4) |
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Dawn spacecraft reveals secrets of giant asteroid Vesta
(Phys.org) -- Findings from NASA's Dawn spacecraft reveal new details about the giant asteroid Vesta, including its varied surface composition, sharp temperature changes and clues to its internal structure. ...
Space & Earth / Space Exploration
Apr 26, 2012 |
4.4 / 5 (7) |
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Splatters of molten rock signal period of intense asteroid impacts on Earth
New research reveals that the Archean era — a formative time for early life from 3.8 billion years ago to 2.5 billion years ago — experienced far more major asteroid impacts than had been previously ...
Space & Earth / Space Exploration
Apr 25, 2012 |
4.6 / 5 (7) |
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Martian meteorite touches down at the University of Glasgow
(Phys.org) -- After hundreds of thousands of years drifting in space, a piece of the rocky surface of Mars has made its way into the hands of scientists at the University of Glasgow.
Space & Earth / Space Exploration
Apr 24, 2012 |
5 / 5 (2) |
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Impacts could be boon for subterranean life
An incoming asteroid is trouble whether you're a dinosaur or a Bruce Willis fan. But microbes living deep underground may actually welcome the news, according to a recent study of an ancient impact in the ...
Space & Earth / Space Exploration
Apr 16, 2012 |
4.8 / 5 (5) |
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Team 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 in ...
Space & Earth / Space Exploration
Apr 06, 2012 |
4.8 / 5 (5) |
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New evidence that comets deposited building blocks of life on primordial Earth
New research reported today at the 243rd National Meeting & Exposition of the American Chemical Society (ACS) provides further support for the idea that comets bombarding Earth billions of years ago carrie ...
Space & Earth / Space Exploration
Mar 27, 2012 |
4.7 / 5 (6) |
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List of search results for asteroid bombardment
