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Webcasts tagged with keyword "exoplanets"
Wednesday Oct 28, 2009
2009 Science Colloquia
Mark Swain  (Jet Propulsion Laboratory)
No description found.
Friday Jun 18, 2010
STScI Astrobiology Lecture Series
Wes Traub (Jet Propulsion Laboratory, Caltech)
What is the best strategy for finding signs of life beyond the Solar System? Until recent years this was a purely philosophical question, but today we have the technical ability to search for signs of life on exoplanets around nearby stars, so the q ...
Tuesday Sep 14, 2010
Delivery of Volatiles & Organics: From Earth to Exoearths in the Era of JWST
Daniel Apai (Space Telescope Science Institute)
Although one of the most abundant elements in the Universe nitrogen is very rare on Earth (ppm levels). In spite of its low concentration in terrestrial environments, nitrogen plays a fundamental role in all ammino acids and proteins and, correspondi ...
Delivery of Volatiles & Organics: From Earth to Exoearths in the Era of JWST
Edward Bergin (University of Michigan)
I will outline our current knowledge of the water vapor and ice distribution in protoplanetary disks. In the past few years through both ground and space based efforts we have been able to place important observational constraints on the presence or ...
Delivery of Volatiles & Organics: From Earth to Exoearths in the Era of JWST
Thomas Bethell (University of Michigan)
The radiative environment inside protoplanetary disks is extremely important for the generation and destruction of a wide range of molecular species; from the simple H_2 molecule to complex organics. High energy stellar photons (UV and X-rays) not on ...
Wednesday Sep 15, 2010
Delivery of Volatiles & Organics: From Earth to Exoearths in the Era of JWST
Drake Deming (NASA/GSFC)
Nearby lower main sequence stars host a class of planets known as Super-Earths, that have no analog in our own solar system. Super-Earths are rocky and/or icy planets with masses up to about 10 Earth masses. They are expected to host atmospheres gene ...