One of first elements detected in Mercury's atmosphere by Mariner 10. Thought to originate from solar winds. Some exit via channels in the magnetic fields.
Mercury/Helium Web Pages
Mercury/Helium In the News
Magnesium Detected in Mercury's Atmosphere (May 2009)
- See Mercury/Atmosphere, Mercury/Tail, Mercury/Magnesium, Mercury/Calcium, Mercury/Sodium, Mercury/Iron, Mercury/Aluminum, Mercury/Silicon
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