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bziman [swisspig.net] writes:

Researchers at CalTech have found evidence of what they refer to as a real ninth planet [caltech.edu] in our solar system.

Caltech researchers, Batygin and Brown, have found evidence of a giant planet tracing a bizarre, highly elongated orbit in the outer solar system. The object, which the researchers have nicknamed Planet Nine, has a mass about 10 times that of Earth and orbits about 20 times farther from the sun on average than does Neptune (which orbits the sun at an average distance of 2.8 billion miles). In fact, it would take this new planet between 10,000 and 20,000 years to make just one full orbit around the sun.

I'm old enough that Pluto is still a planet for me, but finding a new planet in the solar system would be really cool. I wonder if it is really there, and if so, who will be the first to locate it directly.

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