5 Facts About Neptune

1. At the top of its clouds, temperatures on Neptune can dip down to 51.7 Kelvin, or—221.45 degrees Celsius.

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2. At the top of its clouds, temperatures on Neptune can dip down to 51.7 Kelvin, or—221.45 degrees Celsius.

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3. In 2011, Neptune will complete its first orbit around the Sun since it was discovered in 1846.

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4. At the top of its clouds, temperatures on Neptune can dip down to 51.7 Kelvin, or—221.45 degrees Celsius.

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5. In Roman mythology, Neptune was the god of the sea, identified with the Greek Poseidon.

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