Asteroid warning: NASA warns of space rocks ‘large enough to take Earth out’- NASA News Visit Shop now:
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Host of NASA’s podcast ‘On a Mission’, Leslie Mullen, spoke to astronomer Greg Leonard about the threats posed by asteroids on Earth. They warned listeners that there are a number of asteroids in space that can destroy the Earth and cause mass extinction. Ms Mullen noted that many of these massive asteroids have not yet been detected by NASA.According to the host, Earth gets hit by hundreds of small asteroids every day. Due to their small sizes, many of these asteroids burn out in Earth's atmosphere before reaching the ground. She said: ”Our planet is in the middle of a cosmic shooting gallery.“Asteroids often fly by, and the Earth is hit every day with hundreds of tons of dust grains and small rocks.”READ MORE: Life on Mars? NASA rover discovers massive ancient clueShe continued: ”Most of them burn up in the atmosphere, and sometimes we see them as meteor showers or shooting stars.”There are slightly bigger asteroids that also tend to approach Earth from time to time. NASA regularly maintains a database to keep track of the near-Earth approaches of all known asteroids. Although some of the asteroids in the database are big enough to wipe out an entire city or town, Ms Mullen noted that none of these are on a collision course with Earth at the moment. Ms Mullen sa...
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