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.
Lecture 36: Exoplanets - Planets Around Other Stars
Astronomy 141 - Life in the Universe
47 minutes 10 seconds
15 years ago
Lecture 36: Exoplanets - Planets Around Other Stars
Are there planets around other stars? This lecture reviews the methods
used to hunt for exoplanets and the results thus far. I will describe
direct imaging methods, indirect methods relying on the gravitational
influence of the planet on its parent star, planetary transits in which
a planet blocks part of its parent star's light, and gravitational
microlensing. There has been an explosion in our knowledge of planets
around other stars, from little or nothing in the early 1990s to more
than 400 planets around some 340-odd stars as of today. Recorded live
on 2009 Nov 17 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.