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Mercury ☿

  • Temperature ranges from 280-430˚ on sunlit site
  • We don't have a lot of data about Mercury
    • So close to the Sun
  • Heavily cratered
  • Closest planet to the Sun
    • Shorted period of revolution around the Sun (88 days)
  • Similar to the Moon
  • Smallest terrestrial planet

Composition

  • Mantle and crust was probably stripped off by an impact in the early formation of the Solar System
  • Composed of heavier materials

Atmosphere/Exosphere

Magnetic Field

  • Has a weak magnetic field
    • Supports the presence of a large metal core
    • Suggests part of the core must be liquid

Planet The Solar System [Astronomy Space