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'The fate of Earth depends on a delicate balance': Our planet may survive the death of the sun after all, n...

Recent research indicates Earth may avoid being engulfed by the sun in approximately 5 billion years. While the planet might drift to safety, its surface would become hostile to life. The outcome depends on the balance between solar mass loss and gravitational tidal interactions.

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New stellar evolution models provide an alternative scenario where Earth escapes the sun's expanding outer layers.

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  1. New Models Suggest Earth Could Survive the Sun's Red Giant Phase

    Recent research indicates Earth may avoid being engulfed by the sun in approximately 5 billion years. While the planet might drift to safety, its surface would become hostile to life. The outcome depends on the balance between solar mass loss and gravitational tidal interactions.

    What's confirmed:

    • The sun will exhaust its hydrogen fuel and expand into a red giant star in about 5 billion years.
    • The expanding sun will engulf Mercury and Venus.
    • New research published in Astronomy and Astrophysics suggests Earth might avoid being engulfed.
    • Life on Earth will become impossible even if the planet survives the sun's final phases.

    Still unconfirmed:

    • Earth's survival depends on a delicate balance between gravitational tidal interactions and solar mass loss.
    • The planet may drift farther away if the sun loses its gravitational grip on Earth.
    confidence 90%