Welcome to the Astronomy 141 Lecture Podcasts. This is a brief message
from me explaining the podcasts, and welcoming new and old listeners.
University. Lectures will begin on Wednesday, 2009 Sept 23, and run
through Friday, 2009 Dec 4. New lectures will appear shortly before 6pm
US Eastern Time each day there is a regular class.
Recorded live on 2009 Sep 23 in Room 1005 Smith Laboratory on the
Columbus campus of The Ohio State University.
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Welcome to the Astronomy 141 Lecture Podcasts. This is a brief message
from me explaining the podcasts, and welcoming new and old listeners.
University. Lectures will begin on Wednesday, 2009 Sept 23, and run
through Friday, 2009 Dec 4. New lectures will appear shortly before 6pm
US Eastern Time each day there is a regular class.
Recorded live on 2009 Sep 23 in Room 1005 Smith Laboratory on the
Columbus campus of The Ohio State University.
Among the 61 known moons of Saturn, two stand out: Enceladus and Titan.
Giant Titan is the only moon in our Solar System with a substantial
atmosphere, composed of nitrogen and methane, dense enough to maintain a
weather cycle with methane analogous to the water cycle on Earth, even
including great lakes of liquid methane and ethane at the poles.
Enceladus has fountains of water vapor and ice particles that coat its
surface in fresh ices, and indicates the presence of liquid water
beneath its icy surface. Is this just pockets of tidal-heated water, or
hints of a deep global liquid water ocean. I will describe new results
on these two children of Saturn, and the possibilities they have for
finding life, or life-like conditions, elsewhere in our Solar System.
Recorded live on 2009 Nov 4 in Room 1005 Smith Laboratory on the
Columbus campus of The Ohio State University.
Astronomy 141 - Life in the Universe
Welcome to the Astronomy 141 Lecture Podcasts. This is a brief message
from me explaining the podcasts, and welcoming new and old listeners.
University. Lectures will begin on Wednesday, 2009 Sept 23, and run
through Friday, 2009 Dec 4. New lectures will appear shortly before 6pm
US Eastern Time each day there is a regular class.
Recorded live on 2009 Sep 23 in Room 1005 Smith Laboratory on the
Columbus campus of The Ohio State University.
