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Lecture 28: The Galilean Moons of Jupiter
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Richard Pogge에서 제공하는 콘텐츠입니다. 에피소드, 그래픽, 팟캐스트 설명을 포함한 모든 팟캐스트 콘텐츠는 Richard Pogge 또는 해당 팟캐스트 플랫폼 파트너가 직접 업로드하고 제공합니다. 누군가가 귀하의 허락 없이 귀하의 저작물을 사용하고 있다고 생각되는 경우 여기에 설명된 절차를 따르실 수 있습니다 https://ko.player.fm/legal.
The four large Galilean Moons of Jupiter seem unlikely places to look for life; at first glance they should be cold, dead, icy worlds. Instead we find tremendous geological diversity, and two big surprises: volcanically-active Io, and icy Europa. Io is the most volcanically active world in the Solar System, heated by tides from Jupiter. Europa is even more surprising: its icy surface is young, with few impact craters and extensive signs of recent repaving by liquid water. Even more surprising is the distinct possibility that underneath Europa's ice is a deep liquid water ocean, heated by tides from Jupiter. We will review the evidence for Europa's liquid sub-ice ocean and look at its potential as an abode of life. If there is life to be found anywhere in the Solar System beyond Earth, beneath the ice of Europa may be the best place to look. Recorded live on 2009 Nov 3 in Room 1005 Smith Laboratory on the Columbus campus of The Ohio State University.
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