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Our Early Solar System May Have Been Home To a Fifth Giant Planet

Aug 12

sciencehabit writes: A cluster of icy bodies in the same region as Pluto could be proof that our early solar system was home to a fifth giant planet, according to new research (abstract). That planet may have ‘bumped’ Neptune during its migration away from the sun 4 billion years ago, causing the ice giant to jump into its current orbit and scattering a cluster of its satellites into the Kuiper belt in the outer solar system.

Read more of this story at Slashdot.

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