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US News NASA Wants to Deflect This 1600-ft Asteroid With Nukes

05:20  10 march  2018
05:20  10 march  2018 Source:   newsweek.com

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In 2022, NASA plans to send a probe crashing into an asteroid at more than 13,000 miles per hour to deflect it off its course. This is all part of a joint mission NASA 's planning with the European Space Agency called Asteroid Impact & Deflection Assessment (AIDA).

" This tether- deflection idea is an interesting intellectual exercise," said astronomer David Morrison of the Asteroid and Comet Impact Hazards Group at NASA 's Ames Research Center.

  NASA Wants to Deflect This 1600-ft Asteroid With Nukes © Newsweek

Scientists have designed a nuclear weapon-wielding spacecraft powerful enough to deflect a 1600-ft asteroid currently circling the sun.

Set for multiple close encounters with Earth over the next hundred years, there is a  chance - however vanishingly small - that the asteroid Bennu could one day collide with our planet.

But don’t worry—NASA has a plan to save us all. And it involves nukes.

Very small risk of collision

NASA lists 78 dates on which Bennu has a tiny chance of colliding with Earth. Taken together, they give an impact risk of one in 2700—small, but not impossible.

Asteroid impacts can be devastating. Some 66 million years ago, the impact of a 9-mile asteroid is widely believed to have wiped out most of Earth’s dinosaurs. In 2013, a 65-ft asteroid entered the skies above Russia, exploding over Chelyabinsk Oblast. The blast caused extensive damage and injured nearly 1,500 people.

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A mission to demonstrate an asteroid deflection technique just got a NASA promotion to the design phase. Called DART, the plan would see a refrigerator-sized spacecraft smash into a non-threatening asteroid , causing it to move ever so slightly from its original orbital path.

NASA 's mission to deflect an asteroid has moved from concept development to the preliminary design phase. Since 2016, NASA 's Planetary Defense Coordination Office (PDCO) has been seeking, tracking, and characterizing asteroids that might be dangerous, but the agency wants to

Scientists from NASA, the National Nuclear Security Administration and two Energy Department weapons labs have designed a spacecraft to deflect an asteroid. Their research was published recently in the journal Acta Astronautica.

Nuclear explosion or colliding spacecraft?

a star in the background © Provided by IBT Media

Called the Hypervelocity Asteroid Mitigation Mission for Emergency Response, or HAMMER, the "impactor" spacecraft would be deployed to deflect a small asteroid with its own bulk. In certain cases, however, it would set off a nuclear weapon.

“If the asteroid is small enough, and we detect it early enough, we can do it with the impactor,” physicist and study co-author David Dearborn of the Lawrence Livermore National Laboratory told BuzzFeed News. “The impactor is not as flexible as the nuclear option when we really want to change the speed of the body in a hurry.”

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PLAN: NASA could blow up an asteroid with nukes if it were caught off gaurd. The plan is meant to deal with asteroids like Bennu, an 87 million-ton, 1,600 ft asteroid that’s Though the US’ current arsenal would work, having something even bigger would ensure that the asteroid is deflected .

NASA 's and NNSA's plan to send nukes to deflect asteroids is another possibility, but we're sure some scientists like Purdue University's H. Jay Melosh would "like to see it as a last-ditch option." Several locations in the US, Canada

In an ideal situation, lots of these spacecraft would fly into the path of the asteroid. As it would plow through them it would be pummeled by 22,000mph collisions. These collisions would hopefully slow down the asteroid enough to divert its trajectory.

“You have to be careful not to slow it down just enough to go from hitting the [side] of the Earth to hitting its center,” Dearborn said.

The growing field of planetary protection

a star in the background © Provided by IBT Media

Unfortunately for us vulnerable earthlings, HAMMER is a plan which may never be built. The proposal is one of a growing number of potential planetary protection efforts developed following a 2010 National Research Council report that called for the development of NEO hazard mitigation plans.

Researchers modelled their work on Bennu because the asteroid is the best-studied near Earth object. It zipped past Earth in 1999 and again in 2005, but it won’t have another close encounter until 2054, NASA predicts. In September 2135 it may come as close as one-third the distance to the moon.

Asteroid Bennu: NASA Wants to Use Nuclear Weapons to Deflect 1600-ft Space Rock

  Asteroid Bennu: NASA Wants to Use Nuclear Weapons to Deflect 1600-ft Space Rock The spacecraft designed for the mission is called HAMMER.Scientists have designed a nuclear weapon-wielding spacecraft powerful enough to deflect a 1600-ft asteroid currently circling the sun.

NASA has also said that some asteroids may be deflected without the use of a nuclear weapon. Nasa Asteroid Doomsday Asteroid Nasa Nuke Asteroid Nuclear Asteroid Asteroid Deflection .

NASA ( National Aeronautics and Space Administration ) made an announcement that it has just sealed a deal with the NNSA (National Nuclear Security Administration) with the major aim of using nuclear weapons or ‘ nukes ’ to deflect the stray Comets and Asteroids which pose a threat to

“Smart people are taking this seriously and thinking carefully about what might be done,” MIT impact expert Richard Binzel, who was not involved in the study, told BuzzFeed News. “These are reasonable ideas—well thought out.”

“Hopefully we won't need an asteroid deflection plan,” he added. “But until we search, we don't know.”

8 Astounding Facts About the Asteroid Belt (provided by Mental Floss)

3. ALL THE ASTEROIDS IN IT DON'T ADD UP TO MUCH.: <p>It's likely that illustrations you've seen of the asteroid belt are not drawn to scale. If all of the objects in the asteroid belt were brought together and made into a single ball, its combined mass would only be 4 percent of the Moon. In fact, Ceres alone accounts for one-third of the total mass of the asteroid belt. </p> 8 Astounding Facts About the Asteroid Belt

Russia Will Beat NASA to Mars and Find Water on the Moon, Says Putin .
The Russian president has announced an ambitious plan to probe the red planet and look for water on the Moon, paving the way for future deep space missions.Vladimir Putin revealed his country’s space plans during a documentary about the president which was widely shared on social media.

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