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Harbinger2001 t1_j6ai2gv wrote

The Sun is heating up. In 1 billion years the Earth will no longer be in the Goldielocks zone. So we probably have about 500 million years before it becomes a real issue for humans. Hopefully by then we should be able to either move the Earth as the zone moves, or build space habitats.

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GeneralBacteria t1_j6cm8s2 wrote

600 million years before the Earth becomes too hot to support the carbon cycle.

Safe to say humans will have problems long before that.

although even 1000 years is a very long time with our current rate of technological progress. credible plans exist to change the orbit of the Earth to keep us in the Goldilocks zone.

edit: for the doubters/downvoters.

https://lifeboat.com/ex/lets.lift.the.earth

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