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Why some astronomers believe Planet 9 is real
For decades, we believed there were nine planets in our solar system—until Pluto was reclassified in 2006. But what if ...
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The hunt for Planet Nine
Known as Planet Nine or Planet X, it is a hypothetical planet that has long been rumoured to exist in the outer solar system. Although "several claims to have found an extra planet have been made ...
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New planet in the solar system? This is the new discovery by scientists that could change the view of our planetary neighborhood
The Planet Nine theory was based on several trans-Neptunian objects, those that are beyond the eighth planet, with highly “tilted” orbits compared to the ecliptic plane. This seemed odd and ...
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Planet Nine could be a Super-Earth orbiting at 400 astronomical units
Known as "Planet Nine," a team of researcher from Caltech has claimed that an unseen planet exists in the solar system based on the movement of other objects. In their latest papers, the ...