News tagged with binary asteroids
Study Puts Solar Spin on Asteroids, their Moons & Earth Impacts
Space & Earth / Space Exploration
Jul 09, 2008 |
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Asteroids with moons, which scientists call binary asteroids, are common in the solar system. A longstanding question has been how the majority of such moons are formed. In this week's issue of the journal ...
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Arecibo Observatory astronomers discover first near-Earth triple asteroid just 7 million miles away
Feb 14, 2008 |
4.8 / 5 (12) |
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Once considered just your average single asteroid, 2001 SN263 has now been revealed as the first near-Earth triple asteroid ever found. The asteroid -- with three bodies orbiting each other -- was discovered ...
First detailed pictures of asteroid reveal bizarre system
Oct 12, 2006 |
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The first detailed images of a binary asteroid system reveal a bizarre world where the highest points on the surface are actually the lowest, and the two asteroids dance in each other's gravitational pull.
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.
Even stars get fat -- And 'stellar cannibalism' is the reason
Jan 14, 2009 |
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Researchers have discovered evidence that blue stragglers in globular clusters, whose existence has long puzzled astronomers, are the result of 'stellar cannibalism' in binary stars. In other words, binary ...
How to destroy an asteroid
Space & Earth / Space Exploration
Dec 03, 2008 |
4.2 / 5 (20) |
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In the hit 1998 movie Armageddon, Bruce Willis and Ben Affleck blew up an asteroid to save the world. While the film was science fiction, the chances of an asteroid hitting the Earth one day are very real ...
Powerful New Technique to Measure Asteroids' Sizes and Shapes
Feb 04, 2009 |
4.6 / 5 (5) |
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A team of French and Italian astronomers have devised a new method for measuring the size and shape of asteroids that are too small or too far away for traditional techniques, increasing the number of asteroids ...
Solar wind tans young asteroids
Space & Earth / Space Exploration
Apr 22, 2009 |
4 / 5 (4) |
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A new study published in Nature this week reveals that asteroid surfaces age and redden much faster than previously thought -- in less than a million years, the blink of an eye for an asteroid. This study ...
Dead Stars Tell Story of Planet Birth
Jan 05, 2009 |
4.4 / 5 (8) |
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(PhysOrg.com) -- Astronomers have turned to an unexpected place to study the evolution of planets -- dead stars. Observations made with NASA's Spitzer Space Telescope reveal six dead "white dwarf" stars littered ...
Spitzer Finds Evidence for Planets with Four Parents
Jul 24, 2007 |
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How many stars does it take to "raise" a planet? In our own solar system, it took only one – our sun. However, new research from NASA's Spitzer Space Telescope shows that planets might sometimes form in systems ...
WISE Launch Scheduled for Dec. 11
Space & Earth / Space Exploration
Dec 04, 2009 |
4 / 5 (1) |
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(PhysOrg.com) -- Launch of NASA's Wide-field Infrared Survey Explorer (WISE) from Vandenberg Air Force Base in California is scheduled for Dec. 11.
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