Astronomers have recently made a groundbreaking discovery that is sure to captivate the scientific and astronomy community. According to new research, they have identified an elusive planet that could be responsible for the spiral structure of the Milky Way. This planet, which is currently dubbed “Planet Nine”, is estimated to be 10 times the mass of Earth and is believed to be situated in the outer Solar System. It is believed to be the cause of the Milky Way’s spiral shape, which has long puzzled astronomers. The discovery of this planet could help to answer a number of questions about the structure and formation of the Milky Way.

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source: Phys.org