News tagged with bombardment
New INL project tackles nuclear fuel recycling science
Sep 24, 2009 |
5 / 5 (3) |
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(PhysOrg.com) -- A new research project at Idaho National Laboratory and Argonne National Laboratory will use an innovative approach to learn how to get more use from nuclear fuel.
Scientists cool gas by laser bombardment
Sep 02, 2009 |
5 / 5 (5) |
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Three decades ago, American and Finnish scientists came up with a very powerful method for cooling gases by "laser bombardment." Only now were physicists at the University of Bonn able to demonstrate that it actually works. ...
Asteroid Attack 4 Billion Years Ago May Have Accelerated Life on Earth
Space & Earth / Earth Sciences
May 20, 2009 |
4.7 / 5 (13) |
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(PhysOrg.com) -- The bombardment of Earth nearly 4 billion years ago by asteroids as large as Kansas would not have had the firepower to extinguish potential early life on the planet and may even have given ...
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Study: Napoleon duped the British
Apr 16, 2007 |
4.1 / 5 (8) |
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A British academic has found evidence Napoleon duped the British by planting false intelligence concerning Copenhagen, Denmark.
Geochemists challenge key theory regarding Earth's formation
Space & Earth / Earth Sciences
May 01, 2008 |
4.2 / 5 (35) |
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Working with colleagues from NASA, a Florida State University researcher has published a paper that calls into question three decades of conventional wisdom regarding some of the physical processes that helped ...
Scientists Find Asteroids Are Missing, and Possibly Why
Space & Earth / Space Exploration
Feb 25, 2009 |
4.2 / 5 (20) |
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(PhysOrg.com) -- The patterns of missing asteroids are like the footprints of wandering giant planets preserved in the asteroid belt.
Craters on Vesta and Ceres Could Hold Key to Jupiter's Age
Sep 15, 2009 |
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Crater patterns on Vesta and Ceres could help pinpoint when Jupiter began to form during the evolution of the early solar system.
Report: Kids in superhero costumes at risk
Mar 17, 2007 |
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A study by a child specialist in the British city of Nottingham has found that children wearing superhero costumes have a higher chance of being injured.
Meteorite bombardment may have made Earth more habitable
Space & Earth / Earth Sciences
Jun 01, 2009 |
4.3 / 5 (7) |
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(PhysOrg.com) -- Large bombardments of meteorites approximately four billion years ago could have helped to make the early Earth and Mars more habitable for life by modifying their atmospheres, suggests the ...
Solar System's Young Twin Has Two Asteroid Belts
Oct 27, 2008 |
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(PhysOrg.com) -- Astronomers have discovered that the nearby star Epsilon Eridani has two rocky asteroid belts and an outer icy ring, making it a triple-ring system. The inner asteroid belt is a virtual twin ...
Asteroid and comet impacts led to primitive life
Apr 19, 2006 |
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Australian National University scientists have observed a link between asteroid and comet bombardment of the Earth and the emergence of primitive bacterial life forms in the ancient oceans billions of years ago.
Did the solar system 'bounce' finish the dinosaurs?
May 02, 2008 |
4.5 / 5 (51) |
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The sun’s movement through the Milky Way regularly sends comets hurtling into the inner solar system – coinciding with mass life extinctions on earth, a new study claims.
Lunar rocks suggest meteorite shower
Apr 12, 2006 |
4.9 / 5 (10) |
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New age measurements of lunar rocks returned by the Apollo space missions have revealed that a surprising number of the rocks show signs of melting about 3.9 billion years ago, suggesting that the moon – and ...
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