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Uranus and Neptune switched positions 4 billion years ago
The planets in our solar system weren't always in the order they are today. Four billion years ago, early in the solar system's evolution, Uranus and Neptune switched places.
The planets in our solar system weren't always in the order they are today. Four billion years ago, early in the solar system's evolution, Uranus and Neptune switched places.
Source: EurekAlert
Posted on: Wednesday, Dec 12, 2007, 10:32am
Views: 1203
Posted on: Wednesday, Dec 12, 2007, 10:32am
Views: 1203
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