Of, pertaining to, or happening within the magnetosphere(adjective)
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Use "magnetospheric" in a sentence
"And if they're talking about rem, this is presumably a measure of gamma radiation probably a secondary product from magnetospheric charged-particle bombardment of Jupiter's outer atmosphere, or Io's own feeble salt-and-sulfur atmosphere, and would indeed at the doses you've uncovered require significant shielding."
"According to all indications, it is just the current that feeds electromagnetic energy to magnetospheric processes."
"Evidence of magnetospheric disruption precisely at the time of the events at Ground Zero, including building hole development."