Large Asteroid Will Crossing Near Earth

 Mark your calendar on November 8,2011. YU55 asteroidalmost 400 meters in diameter will pass veryclose to Earth. The distance is 0.85 times thedistance of the Moon to Earth.

Asteroids discovered 6 years ago it was not at risk of crashing into Earth even though the Minor Planet Center in Cambridge, Massachusetts, United States,enter the asteroid's path in the category of "potentially hazardous asteroid."Asteroids that can not be underestimated so that research needs to be done.

Scientists plan to create three-dimensional model of YU55 well as predict the density and shape. When YU55 located very close to Earth, it is considered agood time to begin research.

By knowing the speed of spin, shape, density, and other information, scientists canknow their location when not near the Earth. Thus, the model predictions can bemade ​​to predict the position of the asteroid a few decades or centuries into thefuture. (National Geographic Indonesia / Alex Pangestu)

source : http://sains.kompas.com/read/2011/04/08/13481032/Asteroid.Besar.Akan.Melintas.Dekat.Bumi

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