News tagged with comet impact
Research team claims to have found evidence Lake Cheko is impact crater for Tunguska Event
(Phys.org) -- Early on the morning of June 30th, 1908, a huge explosion occurred in a remote part of Siberia near the Podkamennaya Tunguska River. So great was the blast that trees were knocked down in neat ...
Space & Earth / Earth Sciences
May 21, 2012 |
4.5 / 5 (24) |
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Simulations unravel mysteries of 2009 Jupiter impact
(PhysOrg.com) -- During July of 1994, both amateur and professional astronomers were captivated as comet Shoemaker/Levy 9 broke apart and slammed into the atmosphere of Jupiter. While these types of impacts ...
Space & Earth / Space Exploration
Mar 30, 2012 |
4.4 / 5 (14) |
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Villain in disguise: Jupiter's role in impacts on Earth
Jupiter is often credited for shielding Earth from catastrophic asteroid and comet impacts. But new simulations of the influence of gas giant planets in solar systems casts doubt on Jupiter's reputation as ...
Space & Earth / Space Exploration
Mar 13, 2012 |
3.3 / 5 (3) |
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Study supports theory of extraterrestrial impact
A 16-member international team of researchers that includes James Kennett, professor of earth science at UC Santa Barbara, has identified a nearly 13,000-year-old layer of thin, dark sediment buried in the ...
Space & Earth / Earth Sciences
Mar 05, 2012 |
4.7 / 5 (23) |
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Hyperactive Hartley 2 has a split history
The latest analysis of data from NASA's Deep Impact spacecraft shows that comet 103P/Hartley 2 is hyperactive in terms of the material it spews out, compared to the other comets observed up close to date. ...
Space & Earth / Space Exploration
Oct 04, 2011 |
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Latest EPOXI findings on Comet Hartley 2 published
Comet Hartley 2, is in a hyperactive class of its own compared to other comets visited by spacecraft, says a University of Maryland-led study published in the June 17 issue of the journal Science.
Space & Earth / Space Exploration
Jun 16, 2011 |
5 / 5 (4) |
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Comet Hartley 2
(PhysOrg.com) -- The comet Hartley 2 is a relatively small and elongated comet - only about 0.6 x 0.4 kilometers in size. It orbits the sun every 6.46 years, getting as close to it as 1.05 astronomical units ...
Jun 15, 2011 |
5 / 5 (1) |
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At the heart of Hartley-2, a new breed of comet?
(PhysOrg.com) -- At the heart of every comet lies a remnant of the dawn of the solar system. Or is that remnants? Astronomers don't know, but the answer would give them a clearer picture of exactly how comets ...
Space & Earth / Space Exploration
May 17, 2011 |
5 / 5 (5) |
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Stardust flyby '1,000 percent successful'
In most cases, a Valentine's Day rendezvous that resembles a flight through artillery fire is less than ideal.
Space & Earth / Space Exploration
Feb 21, 2011 |
4.5 / 5 (2) |
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Waiter, there's metal in my moon water
(PhysOrg.com) -- Bring a filter if you plan on drinking water from the moon. Water ice recently discovered in dust at the bottom of a crater near the moon's south pole is accompanied by metallic elements like ...
Space & Earth / Space Exploration
Feb 18, 2011 |
5 / 5 (9) |
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NASA releases images of man-made crater on comet
(PhysOrg.com) -- NASA's Stardust spacecraft returned new images of a comet showing a scar resulting from the 2005 Deep Impact mission. The images also showed the comet has a fragile and weak nucleus.
Space & Earth / Space Exploration
Feb 16, 2011 |
4.6 / 5 (15) |
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NASA spacecraft unravels comet mystery
A NASA spacecraft's flyby with a comet showed erosion on the Tempel 1's surface since it skimmed by the Sun in 2005, and revealed Tuesday the first clear pictures of the crater made by a Deep Impact probe.
Space & Earth / Space Exploration
Feb 15, 2011 |
5 / 5 (7) |
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NASA's Stardust spacecraft completes comet flyby, sending photos back to Earth
(PhysOrg.com) -- Mission controllers at NASA's Jet Propulsion Laboratory, Pasadena, Calif., watched as data downlinked from the Stardust spacecraft indicated it completed its closest approach with comet Tempel ...
Space & Earth / Space Exploration
Feb 15, 2011 |
4.6 / 5 (5) |
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The two faces of Tempel 1
(PhysOrg.com) -- Just one year before its Feb. 14 encounter with comet Tempel 1, NASA's Stardust spacecraft performed the largest rocket burn of its extended life. With the spacecraft on the opposite side ...
Space & Earth / Space Exploration
Feb 14, 2011 |
4 / 5 (1) |
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NASA craft readies for Valentine comet encounter
A NASA spacecraft is ready to get up close and personal with its comet sweetheart.
Space & Earth / Space Exploration
Feb 14, 2011 |
4.5 / 5 (2) |
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