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〡The seminar is in English

〡该讲座的语言为英文

〡Participation is free

〡免费参加

NASA

Europa Clipper Mission

with

Robert Pappalardo

NASA

Jupiter’s moon Europa may be a habitable world. Galileo spacecraft data suggest that a global ocean exists beneath its frozen ice surface. A scarcity of large craters argues for a young surface and recent geological activity, and magnetometry implies that a salty ocean exists today. Europa’s ocean and its surface are inherently linked: tidal deformation of the floating ice shell generates stresses that fracture and deform the surface to create ridges and bands; and dark spots, domes, and chaos are probably related to tidally driven heating of the ice shell. Europa’s activity may permit the ingredients necessary for life to be present within the satellite’s ocean. NASA’s Europa Clipper mission will explore Europa to investigate its habitability. The mission will employ a highly capable suite of instruments on a spacecraft that will make about 50 close flybys of Europa from Jupiter orbit, typically 25 – 100 km from Europa’s surface. The mission will interrogate the moon’s ice shell, ocean, composition, and geology, and it will seek current activity including putative plumes. This talk will summarize our state of knowledge about Europa, and the science potential and status of the Europa Clipper mission.

ABOUT ROBERT PAPPALARDO

Dr. Robert Pappalardo is the Project Scientist for NASA’s Europa Clipper Mission at the Jet Propulsion Laboratory, California Institute of Technology. He has also served as the Project Scientist for the Cassini Equinox (first extended) Mission at Saturn, for which he received NASA’s Exceptional Service Medal. He has served as a member of the National Research Council’s Space Studies Board and as Co-Chair of its Committee on the Origins and Evolution of Life. He received his B.A. in Geological Sciences from Cornell University in 1986, and he obtained his Ph.D. in Geology from Arizona State University in 1994. His research focuses on processes that have shaped the icy satellites of the outer solar system, especially Europa and the role of its probable subsurface ocean.

Watch the recording of the webinar

on the DART mission of NASA with Prof. Andy Cheng

Upcoming Seminars

5月12号5/12

Robert Pappalardo

NASA Europa Clipper

5月19号5/19

Prof. Saem Krucker

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5月25号5/25

Sami Solanki

Solar Orbiter Mission (III)

6月2号6/2

Athena Coustenis

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6月9号6/9

YUAN Weimin

CAS Einstein Probe

6月16号6/16

Evgenya Shkolnik

NASA SPARC Mission

7月14号7/14

Tomoko Arai

JAXA DESTINY Mission

7月21号7/21

Michael Küppers

ESA HERA Mission

9月9号9/9

Lindy Elkins-Tanton

NASA Psyche Mission

9月9号9/9

Hal Levison

NASA Lucy Mission

9月9号9/9

Ralph McNutt

NASA Interstellar Probe

来源：ISSIBJ