Deep Impact eliminating three: "bombard" the comet will not endanger the earth?.

<P> Answer: no. .NASA experts say, whether the implementation of "Deep Impact" program, the comet Tempel 1 will not threaten the Earth. ."Deep Impact" is not only on the orbit of Tempel 1 has little effect, "hit" out of the comet fragments will not have to fly to Earth. .</ P> <P> experts say the impact only to the speed of the comet's own change of 0.0001 mm per second, appears to make its recent narrow point about 10 meters, the operating cycle less than 1 second. .From a scientific point of view, which is like a mosquito to burst into a Boeing 767 aircraft will not affect the orbit of the comet itself. .</ P> <P> Experts pointed out that even if the vulnerability of Tempel 1 was "vulnerable", the nucleus knocked apart, the resulting debris will still remain in orbit with the comet similar to the original track .on. .Only foreign objects with the Earth in its orbit when the orbit crossing happens, will pose a threat to the planet. .The orbit of Tempel 1 has never been nothing to do with the Earth's orbit, the comet on the closest point in orbit from Earth there are at least 74 million kilometers. .</ P> </ p>.