[IGPP Everyone] Reminder -Today - Friday May 3, 2019 - Space Physics Seminar - Spring Quarter

[Marjorie Sowmendran]

Reminder – Today – Friday May 3, 2019

SPACE PHYSICS SEMINAR

DEPARTMENT OF EARTH, PLANETARY, AND SPACE SCIENCES

DEPARTMENT OF ATMOSPHERIC AND OCEANIC SCIENCES

UNIVERSITY OF CALIFORNIA, LOS ANGELES

(AOS M275C, EPSS M288C)







Mercury's Kinetic Magnetosphere and its Direct Interactions with the Planetary Surface



David Schriver 

Physics & Astronomy, UCLA



ABSTRACT

Mercury is the smallest planet in our solar system, but nevertheless is internally magnetized and has a robust magnetosphere.  Due to it's relatively small size and proximity to the Sun, Mercury's magnetosphere is highly dynamic and kinetic plasma processes dominate plasma transport, acceleration and loss throughout the Hermian magnetosphere.  A unique aspect of Mercury is that since it has no ionosphere or atmosphere, precipitating plasma particles directly impact the regolith.  The bombardment of the surface by magnetospheric particles has a number of consequences that include the generation of x-rays, the ejection of planetary heavy ions and space weathering.   In this presentation, state of the art global kinetic simulations together with MESSENGER spacecraft data are used to examine Mercury's magnetosphere and the space plasma-surface interactions that take place.







 Friday, May 3, 2019



Room 6704 Geology

3:30 - 5:00 PM



In-Charge: C. T. Russell 

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