What is the life expectancy of the earth
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Answer:
Earth could continue to host life for at least another 1.75 billion years, as long as nuclear holocaust, an errant asteroid or some other disaster doesn't intervene, a new study calculates.
But even without such dramatic doomsday scenarios, astronomical forces will eventually render the planet uninhabitable. Somewhere between 1.75 billion and 3.25 billion years from now, Earth will travel out of the solar system's habitable zone and into the "hot zone,"
Answer:we don’t know the exact but I guess if something happens like an asteroid hits earth than earth will end but still don’t know when will earth end also the astronomers are saying that earth may end in 7.5 billion year but think positive at that time we may be living on another planet already cause we humans are very developed.