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Here's how NASA will defend the earth against a possible asteroid impact



April 17, 2019

The space agency began looking for celestial bodies at a great distance from the planet to destroy them in time. "Near-Earth objects are weak and very small," they said.

NASA
NASA is studying a defense mechanism to prevent asteroid influences

Hollywood movies predict it a long time ago and it seems to be one of NASA's biggest fears. A possible Armageddon or Deep Impact are two possibilities, with very different ends, which are already seen in the cinema and which the space agency is trying to avoid.

With the threat of Bennu, the so-called death asteroid, the National Administration of Aeronautics and Space began to investigate celestial bodies at a great distance from the planet, because those close to our orbit are obviously not relevant.

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"If we find a heavenly object within a few days of impact, we will significantly limit our options, so we have focused on finding objects near the Earth when they are farther away, giving maximum time and opening up a wider range of opportunities. to mitigating, "he said Amy Mainzer, off NASA.

The strategy of defending the earth from a possible impact was presented Tuesday at the meeting of the American Physical Society. At the same time the foremost investigator of the asteroid hunting mission of NASA, at the Laboratory in Pasadena, California, said the procedure will be a "difficult" one and compared it to finding a piece of coal in the night sky.

"The objects near the Earth (NEO) are basically weak because they are the smallest and very far from us in space", the researcher researched.

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"They are as dark as the printer's tones," the science scientist considered NASA while adding that "trying to discover them against the blacks of space is very difficult".

Mainzer used a feature of NEO that allows him to discover them without having to go to the visible light to perceive them: its warmth.

"With the NEOWISE mission, we can discover objects regardless of the color of the surface and use them to measure sizes and other properties," the scientist explained. NASA.


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