Tag Archives: Planet X

Looking for Planet 9? There’s an app for that

Citizen scientists can join an online hunt for icy worlds, brown dwarfs and other yet-to-be-discovered objects beyond the orbit of Neptune, using a technique that’s not all that different from the method that led to Pluto’s discovery 87 years ago. … Continue reading

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Hunt for Planet Nine leads to mini-worlds

The hypothetical world known as Planet X or Planet Nine hasn’t yet been found, but thanks to the search, astronomers have discovered smaller worlds on the solar system’s edge. Mapping such objects could lead to the big discovery: a planet that’s thought to … Continue reading

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The case for Planet Nine (a.k.a. Planet X)

For decades, astronomers have gone back and forth over whether a “Planet X” exists on the edge of our solar system – and now two researchers have laid out new evidence supporting the claim, including a rough idea of where it … Continue reading

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Planet X? Probably not, despite the buzz

An array of radio telescopes in Chile has picked up weird readings that appear to be coming from far-out objects – and that’s sparked a debate over whether they’re previously undetected worlds on the edge of our solar system, brown … Continue reading

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