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4,700 Potentially Dangerous Asteroids Lurk Near Earth, NASA Says

 
Rain-Man
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05/17/2012 04:08 PM
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4,700 Potentially Dangerous Asteroids Lurk Near Earth, NASA Says
According to the survey, about twice as many asteroids are in so-called "lower-inclination orbits" — which are more closely aligned with Earth's path around the sun than other objects — than previously thought researchers said ..

A new NASA survey has pinned down the number of asteroids that could pose a collision threat to Earth in what scientists say is the best estimate yet of the potentially dangerous space rocks.

The survey found there are likely 4,700 potentially hazardous asteroids, plus or minus 1,500 space rocks, that are larger than 330 feet (100 meters) wide and in orbits that occasionally bring them close enough to Earth to pose a concern, researchers said. To date, only about 30 percent of those objects have actually been found, they added.

Potentially hazardous asteroids, or PHAs in NASA-speak, are space rocks in orbits that come within 5 million miles (8 million kilometers) of Earth and are large enough to cause damage on regional or global scale if they were ever to hit our planet.

[link to www.space.com]

NASA Survey Counts Potentially Hazardous Asteroids

[link to www.nasa.gov]

Last Edited by Rain-Man on 05/17/2012 04:08 PM
TheTruthWorker

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05/18/2012 05:01 PM
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Re: 4,700 Potentially Dangerous Asteroids Lurk Near Earth, NASA Says
colorbump
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05/18/2012 05:04 PM

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Re: 4,700 Potentially Dangerous Asteroids Lurk Near Earth, NASA Says
That's a lot of asteroids hiding

Last Edited by #Geomagnetic_Storm# on 05/18/2012 05:04 PM
grimmlord

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06/26/2012 03:47 AM
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Re: 4,700 Potentially Dangerous Asteroids Lurk Near Earth, NASA Says
BLACK SWAN
register an account first and then chat with grimmlord on spam.com/spam tard
Anonymous Coward
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06/26/2012 04:20 AM
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Re: 4,700 Potentially Dangerous Asteroids Lurk Near Earth, NASA Says
ah, now i get it.

now we're all looking DOWN, at the volcanoes, Nasa are over there, waving frantically, 'hey guys, look, UP THERE!'
Anonymous Coward
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06/26/2012 05:10 AM
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Re: 4,700 Potentially Dangerous Asteroids Lurk Near Earth, NASA Says
Did you know that there have only been roughly 8,900 near-earth asteroids discovered to date?
Anonymous Coward
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06/26/2012 05:30 AM
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Re: 4,700 Potentially Dangerous Asteroids Lurk Near Earth, NASA Says
old ...

Thread: Breaking : 4,700 potentially dangerous asteroids lurk near Earth, NASA says
Anonymous Coward
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06/26/2012 05:38 AM
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Re: 4,700 Potentially Dangerous Asteroids Lurk Near Earth, NASA Says
that's fantastic, it's a good thing we pay them alot of money so that somebody can count a bunch of rocks in space, too bad when one comes towards us we can't stop it.


I'd bet if we dumped some more money at NASA, they'd work a little harder and count the stars too, you know..just incase one come by





GLP