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Wednesday, October 18, 2017

Earth just missed a dangerous asteroid 2012 TC4


Late last night at a very small distance from the planet asteroid 2012 TC4, surpassing in size the famous Chelyabinsk meteorite. Although experts once said that a space object could hardly hit the Ground, many far from the astrophysics people the news of his approach alarmed.


photo: pixabay.com

Yesterday, experts have suggested that the asteroid will fly at a distance of about 50 thousand kilometers from the Earth, but at the point of maximum convergence of distance from him before our planet was even smaller — about 42 thousand kilometers. It is comparable to the length of earth’s equator and is almost ten times smaller than the distance to the moon, despite the fact that for the recognition of a celestial body potentially dangerous him enough to fly 20 times further away from the natural satellite of the Earth. Also, experts have previously declared that the diameter of the asteroid is about 13 meters, but according to some data it can reach 15 to 30 meters.

For the first time this asteroid was discovered in 2012, and experts had already shown that his next “visit” in the fall of 2017. At the end of last July experts from the European southern Observatory have confirmed that 2012 TC4 again approaching the Ground.

The convergence occurred at approximately 8:42 Moscow time, the asteroid passed over the Antarctic region of the planet. You can see it was only in powerful telescopes. Experts at the American space Agency NASA say that watching 2012 TC4 allowed us to better understand how well current warning system meteor threats. The question on necessity of development of such systems began to be perceived as particularly relevant after in February 2013 over the Chelyabinsk region was a meteor usralsa, injuring 1 613 people, and material damage amounted to nearly 500 thousand rubles.

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Chelyabinsk meteorite. Chronicle of events
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