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The Sun's Future and Earth's Fate

How to keep Earth from being cooked by the ever-hotter Sun 🔗

Here are two options for future humans to keep us in the habitable zone.

The text discusses the eventual fate of Earth as the Sun becomes hotter and brighter, making life impossible on the planet's surface. It explains how the Sun's increasing brightness is a result of its nuclear fusion process and the buildup of helium ash in its core. The text also outlines the delicate balance between the Sun's gravitational forces and nuclear reactions that keeps it stable. It estimates that life on Earth may become nearly impossible in about 500 million years.

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