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In 2004, NASA scientists announced the possibility that

Apophis, an asteroid bigger than two fields football hit Earth in 2029. A few observations and calculations later, astronomers said they destroying our planet in 2029, no nothing.

For

Miguel Artime
.

Now come reports from Russia say that in that country, scientists have estimated that Apohis could impact with Earth
April 13, 2036

, but not agree on probability. Should we be frightened?

To
Donald Yeomans, director of NEO (Near Earth Objects) of NASA, "the calculations are technically correct, in 2036 there is a possibility of impact, however is only one among

250,000. "
Russian scientists based their predictions on collision possibility that this meteorite 270 meters journey through what is known as a gravitational keyhole

during its approach to Earth in 2029.

This gravitational mentioned pinhole is a precise region in space, only slightly larger than the asteroid itself, in which the gravity of Earth is such that it could alter the route of Apohis.

Donald Yeomans said: "The problem is that the April 13, 2029, Apohis pass very near Earth, just five Earth radii, so it will be quite an event, although we have ruled out the possibility of an impact at that time. On the other hand, if you pass through a keyhole for this approach, then certainly it will disturb your route and return to Earth on April 13, 2036 for hitting our planet. " Although adds to reassure ;

the chances of the asteroid passes through the tiny keyhole are

. The most likely scenario is as follows: Apophis will pass close to Earth in late 2012 and early 2013, when he will be meticulously observed with telescopes land and radar systems. If then it is estimated that following a destructive path, NASA

devise the scheme and machinery necessary to change the asteroid's orbit

reducing the possibility of impact in 2036 to zero.

To do this there are several ways, the simplest is make an impact against the rock spacecraft
. This technology was tested on 4 July 2005, when the Deep Impact probe crashed into Comet Tempel 1.

found this article on Life's Little Mysteries .