NASA has an important project to save us from asteroid’s impact


However some of the asteroids which could hit the Earth are bigger enough to damage the planet threatening the life. The DART project is a joint effort between NASA and the John Hopkins Applied Physics Laboratory in Maryland. “DART would be NASA’s first mission to demonstrate what’s known as the kinetic impactor technique – striking the asteroid to shift its orbit – to defend against a potential future asteroid impact,” said Lindley Johnson, NASA’s planetary defense officer in Washington.


The target of the test is an asteroid system called Didymos. In fact, this is a binary asteroid system, made up of one asteroid, Didymos A, and a smaller one, Didymos B, which orbits its larger neighbor. NASA prepares for action in October 2022, when Didymos makes an approach near Earth. NASA will launch a refrigerator-sized spacecraft towards the asteroids, aimed at Didymos B. When the DART spacecraft and the asteroid collide, the spacecraft will be traveling at a staggering 3.7 miles per second. “The kinetic impact technique works by changing the speed of a threatening asteroid by a small fraction of its total velocity,” the release says, “but by doing it well before the predicted impact so that this small nudge will add up over time to a big shift of the asteroid’s path away from Earth.” Scientists will study the impact to determine whether this technique is a feasible method for saving the planet from asteroids.


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