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Planet 9: Hypothetical or Real?

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Published: 15 Sept 2019 › Updated: 15 Sept 2019Planet 9: Hypothetical or Real?

Planet 9: Hypothetical or Real?

Heard about Planet 9?

Some astronomers predict a planet to orbit the sun with a period of 10,000 years, a mass 5x that of Earth on a highly elliptical and inclined orbit. They want to call it Planet 9.

What evidence supports the existence of such a strange object at the edge of our solar system?

As of September 2019, no observation of Planet Nine had been announced. However, existence of a Neptune-diameter object in the outer Solar System, is not ruled out.

Here's a latest trending video that dives into the mystery of Plane 9.

The planet 9 hypothesis helps explain clustering of orbits of distant Kuiper belt objects.

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