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Solar system once harboured super earths

Solar system once harboured super earths
Highlights

Researchers at the California Institute of Technology have found that our solar system may have once harboured super-earths - planets larger than the Earth but smaller than Neptune. It means that the Earth belongs to a second generation of planets. Those early super-earths are long gone - broken up and fallen into the Sun billions of years ago largely due to a great inward-and-then-outward journey that Jupiter made early in the solar system\'s history.

Washington: Researchers at the California Institute of Technology have found that our solar system may have once harboured super-earths - planets larger than the Earth but smaller than Neptune. It means that the Earth belongs to a second generation of planets. Those early super-earths are long gone - broken up and fallen into the Sun billions of years ago largely due to a great inward-and-then-outward journey that Jupiter made early in the solar system's history. The results suggest the possibility of a new picture of the early solar system that would help to answer a number of outstanding questions about the current makeup of the solar system and of the Earth itself.

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