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Episode 176: Giant Lurks in Kuiper Belt?

Play Aug 14•4:27

The Kuiper Belt is a region past Neptune, full of icy, comet-like objects. Pluto is the most famous Kuiper Belt object. Some of these objects have odd orbits that don't fit with our knowledge of the solar system. A computer model suggests that the region may contain a really large body -- 30 to 70 percent as massive as Earth -- that affects the orbits of objects around it. Space.com discu...

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