Could an Asteroid Hit the Earth

a collection of asteroids moving rapidly toward the earth NASA experts and other space experts hurriedly created panic. Rescue the announcement had not yet done, asteroids have crashed into the eastern part of asia, among others in Shanghai, China.
In proclaim, millions of people were killed and one of the largest and busiest cities in China were destroyed. To stop the collection of the asteroid attack to other parts of the earth's, the NASA sends experts sea oil drilling off into space. The goal, to drill one of the main asteroid collision with Earth that could be avoided.

The picture above is not the reality. It is only a science fiction story in the movie Armageddon, starring the famous actor Bruce Willis. A fairly successful film that tells how the threat of attack against Earth asteroids.
So far, the earth is safe from the threat of asteroid attack. At least, so that presented the space ahliluar gathered in the center of NASA, if a collision with an asteroid occurred, said Erik Asphaugh, space researchers from the universities of California, santa cruz, there will be a mighty powerful explosions in the earth that reaches 10 megatons of energy. As a result, he explained, is remarkable. The attack, he said, will cause great destruction and mass death. Therefore, experts recommend that all nations should mebuat common defense to prevent the crash.
And if the asteroid had crashed into the ocean it will arise the Tsunami waves are very large at hundreds meters, and destroyed the cities located in coastal dunes. A large asteroid could destroy the entire species on earth. Last asteroid that hit Earth occurred 65 million years ago when an asteroid six miles wide that destroyed the dinosaurs and about 70 percent of all species.