BepiColombo - the mission to Mercury

Science objectives


  • Investigate the origin and evolution of a planet close to the parent star
  • Study Mercury's form, interior structure, geology, composition and craters
  • Examine Mercury's exosphere
  • Perform a test of Einstein's theory of general relativity, using Mercury's orbit
  • Investigate the composition and origin of polar deposits


  • Study why Mercury has a magnetic field when Mars and Venus do not
  • Help to determine the origin of Mercury's magnetic field
  • Study the structure and dynamics of Mercury's magnetic field

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