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MACSJ0717.5+3745: Cosmic Heavyweights in Free-For-All Browse Album

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Featured Science Result News

• Dawn: Massive mountains, rough surface, and old-young dichotomy in hemispheres
  NASA's Dawn mission, which has been orbiting Vesta since mid-July, has revealed that the asteroid's southern hemisphere boasts one of the largest mountains in the Solar System. Other results show that Vesta's surface, viewed at different wavelengths, has striking diversity in its composition particularly around craters.
  
  
• MESSENGER: Orbital observations of Mercury reveal flood lavas, hollows, and unprecedented surface details
  After only six months in orbit around Mercury, MESSENGER is sending back information that has revolutionized the way scientists think about the innermost planet.

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