Friday, May 1, 2009

Spoke-like patterns on Mercury

Rembrandt, the second-largest impact basin on Mercury, was discovered during the Messenger spacecraft's second flyby in October 2008. Researchers are now puzzling over features found near its centre (pictured), which show a spoke-like pattern of ridges and troughs that is reportedly unlike anything else in the solar system (Image: NASA/JHUAPL/Smithsonian/Carnegie Institution of Washington)

Rembrandt, the second-largest impact basin on Mercury, was discovered during the Messenger spacecraft's second flyby in October 2008. Researchers are now puzzling over features found near its centre (pictured), which show a spoke-like pattern of ridges and troughs that is reportedly unlike anything else in the solar system (Image: NASA/JHUAPL/Smithsonian/Carnegie Institution of Washington)

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