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VERSION:2.0
CALSCALE:GREGORIAN
PRODID:UW-Madison-Physics-Events
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SEQUENCE:1
UID:UW-Physics-Event-9831
DTSTART:20260921T170000Z
DTEND:20260921T180000Z
DTSTAMP:20260918T083425Z
LAST-MODIFIED:20260911T172620Z
LOCATION:2241 Chamberlin Hall
SUMMARY:Waves in a Plasma Ocean: Wave-Particle Interactions Throughout
  the Solar System\, Plasma Physics (Physics/ECE/NE 922) Seminar\, Alli
 son Jaynes\, University of Iowa
DESCRIPTION:All planetary and smaller bodies in our solar system are e
 mbedded in a sea of plasma\, like boulders in a terrestrial ocean. The
 ir surfaces or magnetic fields run into this ocean of space plasma\, g
 enerated primarily by our Sun\, and create a whole range fascinating e
 ffects as a result. Waves in interplanetary space and waves produced b
 y solar wind-planetary interactions both initiate wave-particle intera
 ctions across a variety of scale sizes. These wave-particle interactio
 ns can fuel many phenomena: from the ‘killer electrons’ in the Van
  Allen radiation belts that affect spacecraft and Earth’s atmosphere
  to the echoes of distant magnetic structures we can observe at the ed
 ge of our solar system and beyond with the Voyager spacecraft. This pr
 ocess can also cause the local aurora above our heads and it plays a r
 ole in the giant particle accelerator that is Jupiter’s magnetospher
 e. In this talk\, I will present recent significant insights we’ve g
 ained about wave-particle interactions across our solar system and ill
 ustrate how this fundamental plasma physics process underlies a vast s
 cope of the space environment: from different worlds to the furthest r
 eaches of our space exploration.
URL:https://www.physics.wisc.edu/events/?id=9831
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