Fearsome killer asteroids threaten Earth; NASA can do THIS to save humanity - HT Tech

NASA has been developing. capabilities to protect the Earth from giant killer asteroids that can destroy our home planet. How secure are we?

The term near-Earth object or NEO refers to any celestial body of a significant size. The starting point is to find out those objects whose orbit brings them close to Earth. These include asteroids, … [+3660 chars]

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