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Margaret Kivelson

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description Margaret Kivelson Overview

Margaret G. Kivelson is an American space physicist whose research concerns magnetospheric plasmas, planetary magnetic fields, and low-frequency waves. Analysis of magnetic measurements from NASA's Galileo spacecraft provided evidence for an electrically conducting subsurface ocean at Jupiter's moon Europa, and her work also contributed to the study of Ganymede's intrinsic magnetic field. She is a distinguished professor of space physics emerita at UCLA and a research professor at the University of Michigan.

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What is Margaret Kivelson known for studying?

Margaret Kivelson is a space physicist known for studying planetary magnetic fields and magnetospheres. Her work examines how magnetic fields reveal the internal structure and space environment of planets and moons.

What did Margaret Kivelson's work show about Europa?

Measurements from the Galileo mission provided compelling evidence that Jupiter's moon Europa has a salty subsurface ocean. Kivelson's analysis of Europa's induced magnetic field was central to that interpretation.

What did Kivelson discover about Ganymede?

Her research helped establish that Ganymede has its own intrinsic magnetic field, a rare feature for a moon. Ganymede is the largest moon of Jupiter and the only moon known to generate a substantial internal magnetosphere.

Which space missions are connected to Margaret Kivelson?

Kivelson served as a leader for the magnetometer work on NASA's Europa Clipper mission and has also been involved with the European JUICE mission. Both missions investigate Jupiter's system and the environments of its icy moons.

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