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Space & Astronomy

Large asteroid to narrowly miss Earth

By T.K. Randall
June 25, 2011 · Comment icon 20 comments

Image Credit: NASA
An asteroid the size of an office block will narrowly pass us by on Monday, say astronomers.
The massive rock will pass 23 times closer than the distance to the moon at around 11,000 miles and be close enough for astronomers to view with a modest telescope. While it doesn't pose a threat, worryingly the object was only discovered on Wednesday by a robotic telescope in New Mexico designed to pick up asteroids - if it had been a lot larger and on a collision course with the Earth then it would have been far too late to do anything about it.
The space rock will reach within 11,000 miles of the surface and give off a light bright enough to be seen through a small telescope, experts said today. It was only spotted on Wednesday by a robotic telescope in New Mexico that scans the skies for such hazards. An alert was then put out yesterday by the International Astronomical Union's Minor Planet Center in Massachusetts.


Source: Telegraph | Comments (20)




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Comment icon #11 Posted by Mentalcase 13 years ago
A very good question. I thought that the one that formed meteor crater in Arizona was the size of a city block. My bet this baby could take out a city, and Little fish it would be right on your time frame of 50-100 years. When was the last hit Tunguska back in 1909. It would have been a great show. Just don't want to be underneath it. Tunguska was never confirmed. Not a really good analogy.
Comment icon #12 Posted by sean6 13 years ago
this is what they say will happen http://orbit.psi.edu/~tricaric/2011MD.html
Comment icon #13 Posted by UFO_Monster 13 years ago
I'm not as paranoid as I used to be when these events were announced. This isn't going to do a thing.
Comment icon #14 Posted by Paracelse 13 years ago
"Asteroids with diameters of 5 to 10 m (16 to 33 ft) enter the Earth's atmosphere approximately once per year, with as much energy as Little Boy, the atomic bomb dropped on Hiroshima, approximately 15 kilotonnes of TNT. These ordinarily explode in the upper atmosphere, and most or all of the solids are vaporized.[3] Objects with diameters over 50 m (164 ft) strike the Earth approximately once every thousand years, producing explosions comparable to the one known to have detonated above Tunguska in 1908.[4]" http://en.wikipedia.org/wiki/Impact_event#Sizes_and_frequencies Las time I checked a ci... [More]
Comment icon #15 Posted by Taut 13 years ago
yes, I thnk so probably. correct me if I wrong, but the tunguska asteroid was ~100 meters in diameter, this one is 10 meters. A city block is slightly larger than 10meters, at least where I live. I'm just sayin.
Comment icon #16 Posted by Little Fish 13 years ago
A city block is slightly larger than 10meters, at least where I live. I'm just sayin. "This small asteroid, only 5-20 meters in diameter," http://neo.jpl.nasa.gov/news/news172.html no mention of "city block"
Comment icon #17 Posted by mitchall 13 years ago
BIG WHOOPIE !!!!!!!!
Comment icon #18 Posted by FlyingAngel 13 years ago
ok, but "when" can we see it?
Comment icon #19 Posted by Little Fish 13 years ago
ok, but "when" can we see it? 2:30pm GMT (in about 5 minutes). you need to get to Antarctica. oh, and take a big telescope with you.
Comment icon #20 Posted by casper 1 13 years ago
lol


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