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LiveScience
LiveScience
Sara Hashemi

MYSTERIOUS: How long do most planets last - You Need To See This

An illustration of all the planets in the solar system near Earth, seen at the bottom of the image. Mars, Saturn and Neptune are seen at the left while Mercury, Venus, Jupiter and Uranus are to the right.

Planets go through different life stages: They form, evolve and eventually meet an end. But the timelines for these processes differ widely between Earth-like planets and worlds that orbit less-powerful stars.

So, how long do most planets last?

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