Answered

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do you think humanity will survive until the sun begins to expand into a red giant 5 billion years from now? why or why not?

Sagot :

The bad news, according to Schroder and Smith, is that the Earth will NOT survive the sun's expansion. ... Long before our sun enters it's red giant phase, its habitable zone (as we know it) will be gone. Astronomers estimate that this zone will expand past the Earth's orbit in about a billion years.
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