Image: Caltech/R. Hurt (IPAC)
Astronomers in Australia have uncovered some evidence that points to the possibility of a 9th planet deep in the solar system, which could take between 10,000 and 20,000 years to orbit the sun.
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Image: Caltech/R. Hurt (IPAC)
Astronomers in Australia have uncovered some evidence that points to the possibility of a 9th planet deep in the solar system, which could take between 10,000 and 20,000 years to orbit the sun.
