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Astronomy 141 - Life in the Universe
Richard Pogge
47 episodes
9 months ago
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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Courses
Education,
Science,
Natural Sciences,
Astronomy
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All content for Astronomy 141 - Life in the Universe is the property of Richard Pogge and is served directly from their servers with no modification, redirects, or rehosting. The podcast is not affiliated with or endorsed by Podjoint in any way.
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.
Show more...
Courses
Education,
Science,
Natural Sciences,
Astronomy
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Lecture 35: The Solar Neighborhood
Astronomy 141 - Life in the Universe
46 minutes 3 seconds
15 years ago
Lecture 35: The Solar Neighborhood
What stars are near the Sun? Now that we have some idea of what we are looking for - rocky planets in the habitable zones of low-mass main-sequence stars - what are the prospects near the Sun? This lecture examines the hunting ground for planets, the nearby stars that make up the Solar Neighborhood. I will describe our nearest neighbor, the Proxima Centauri/Alpha Centauri triple system, and then look at the properties of our nearest stellar neighbors. What we will find is that G-type stars like the Sun are uncommon, only about 7% of all nearby main-sequence stars. Red dwarfs, on the other hand, are very common, about 75%. To find Sun-like main sequence stars, we will have to extend our search to larger distances into our Milky Way galaxy proper. Recorded live on 2009 Nov 16 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.