Astronomers find 139 new minor planets orbiting the sun beyond Neptune



Astronomers from the University of Pennsylvania have discovered 139 new minor planets orbiting the sun. These minor planets also called trans-Neptunian objects (TNOs) hide beyond Neptune’s orbit in the Kuiper Belt. They are neither official planets nor comets.

Some famous trans-Neptunian objects that you might know are ex-planet Pluto, Eris, Haumea, and MakeMake.

The findings were published in the Astrophysical Journal. These findings are significant because it could also lead astronomers to a obscure Planet Nine, a theoretical large planet that some astronomers believe orbits the sun way in the depths of the solar system.

So far, astronomers have discovered more than 3,000 of these trans-Neptunian objects—a small part of what’s assumed to be out there.

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