Credit: NASA
Looks like game over for the Planet Nine idea. Unavoidable observational biases may be at least partly to blame.
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Planet Nine is a theoretical, undiscovered giant planet in the mysterious far reaches of our solar system, says The Conversation (via Phys.org)
The presence of Planet Nine has been hypothesized to explain everything from the tilt of the sun’s spin axis to the apparent clustering in the orbits of small, icy asteroids beyond Neptune.
But does Planet Nine actually exist?
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