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New discoveries of objects in the Kuiper Belt have also presented challenges for the Planet Nine theory. The latest is known ...
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Planet Nine may not be alone, as astronomers spot hints of a hidden ‘Planet Y’ far beyond Neptune
A new study suggests the existence of Planet Y. This hidden planet may be affecting the Kuiper Belt. The gravity of Planet Y could be causing a tilt in the orbits of some icy objects. Researchers ...
Astronomers propose a new hypothetical planet, Planet Y, beyond Neptune, based on observed orbital anomalies in the Kuiper ...
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Is Planet 9 Really Out There? The Mysterious Discovery That’s Raising Questions
For years, astronomers have searched the outer reaches of our solar system for Planet 9, a theoretical planet that could ...
In October 2017, NASA released a statement saying that Planet Nine may be 20 times further from the Sun than Neptune is, going so far as to say "it is now harder to imagine our solar system ...
Planet Nine is out there, and astronomers are determined to find it, according to a new statement from NASA. In fact, mounting evidence suggests it's hard to imagine our solar system without the ...
If Planet 9 is real, this observatory has around a 70 to 80 percent chance of finding it, he estimates, adding that it's not a sure thing because there are so many uncertainties.
Planet 9 likely isn't a stolen exoplanet after all. New research shows the probability of ideal planet-swapping positions between young stars is near zero.
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