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Mercury

  Mercury was named after the speedy messenger of the gods because it seemed to move more quickly than the other known planets. In 2004 NASA launched its MESSENGER probe, which is due to reach Mercury in 2011.







Diameter: 4,880 km



Mass: 3,302,000,000,000 tonnes



Average distance from Sun: 57,909,175  km



Rotation: 58,6462 days



Orbit: 87.869 days

Average temperature: +166.86 ◦C



Moons: 0



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