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'Pinballs in a cosmic arcade': New study suggests how wide-orbit planets form, supporting existence of Planet Nine
May 27, 2025
HOUSTON, Texas, May 27 -- Rice University posted the following news release:

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'Pinballs in a cosmic arcade': New study suggests how wide-orbit planets form, supporting existence of Planet Nine

A stock illustration of a theoretical distant planet.

In the cold, dark outskirts of planetary systems far beyond the reach of the known planets, mysterious gas giants and planetary masses silently orbit their stars -- sometimes thousands . . .

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