: NASA to crash spacecraft into asteroid to protect Earth in future #IndiaNEWS #Sci-Tech Washington: A NASA spacecraft was set to smash into an asteroid early Tuesday, in a bid to test a technology

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NASA to crash spacecraft into asteroid to protect Earth in future #IndiaNEWS #Sci -Tech
Washington: A NASA spacecraft was set to smash into an asteroid early Tuesday, in a bid to test a technology to defend Earth against potential asteroid or comet hazards in the future.
NASAs Double Asteroid Redirection Test (DART), a first such mission, was set to impact its target asteroid which poses no threat to Earth at 7.14 p.m. Monday (4.44 a.m. Tuesday IST).
This test will show a spacecraft can autonomously navigate to a target asteroid and intentionally collide with it to change the asteroids motion in a way that can be measured using ground-based telescopes, the US space agency said in an update.
DARTs target is the binary, near-Earth asteroid system Didymos, composed of the roughly 780-metre diameter Didymos and the smaller, approximately 160-metre size Dimorphos, which orbits Didymos.
DART will impact Dimorphos to change its orbit within the binary system, and the DART Investigation Team will compare the results of DARTs kinetic impact with asteroid A to highly detailed computer simulations of kinetic impacts on asteroids, according to NASA.
Doing so will evaluate the effectiveness of this mitigation approach and assess how best to apply it to future planetary defense scenarios, as well as how accurate the computer simulations are and how well they reflect the behaviour of a real asteroid, the space agency added.
DART will provide important data to help better prepare for an asteroid that might pose an impact hazard to Earth, should one ever be discovered.

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