Mercury's Exosphere: Observations During MESSENGER's First Mercury Flyby

  title={Mercury's Exosphere: Observations During MESSENGER's First Mercury Flyby},
  author={W. McClintock and E. Bradley and R. Vervack and R. Killen and A. Sprague and N. Izenberg and S. Solomon},
  pages={92 - 94}
  • W. McClintock, E. Bradley, +4 authors S. Solomon
  • Published 2008
  • Environmental Science, Medicine
  • Science
  • During MESSENGER's first Mercury flyby, the Mercury Atmospheric and Surface Composition Spectrometer measured Mercury's exospheric emissions, including those from the antisunward sodium tail, calcium and sodium close to the planet, and hydrogen at high altitudes on the dayside. Spatial variations indicate that multiple source and loss processes generate and maintain the exosphere. Energetic processes connected to the solar wind and magnetospheric interaction with the planet likely played an… CONTINUE READING
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