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One of our planets may be missing, and it could explain why the solar system looks the way it does
- June 1, 2026 at 2:00 PM
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Our solar system has two ice giants, Uranus and Neptune, but there may have been a third. According to a new study published in the journal Icarus, this extra world might have triggered a violent planetary shuffling billions of years ago that could have disrupted some of Jupiter's and Uranus's moons and possibly led to the formation of others.
Originally published at Phys.org