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Nov 2009
46m 50s

Lecture 37: Strange New Worlds

Richard Pogge
About this episode
What are the properties of the 400+ exoplanets we have discovered so far? This lecture reviews the properties of exoplanets, and finds a couple of surprises: Jupiter-mass planets orbiting close to their parent stars, and Jupiter-mass planets in very elliptical orbits. Both seem to require some mechanism for migration: strong gravitational interactions with ... Show More
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Nov 2009
Lecture 38: The Pale Blue Dot - Seeking Other Earths
Are there other Earths out there? Do they have life on them? This lecture looks at the search for ExoEarths - Earth-sized planets in the habitable zones of their parent stars, and what we might learn from measuring them. The ultimate goal of all planet searches is to find other E ... Show More
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Nov 2009
Lecture 39: The Drake Equation
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Nov 2009
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46m 28s
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