Fall 2018 Seminar

Talks are 12:00 noon on Thursdays in Olin Science 268, unless otherwise noted.

August 30, 2018

Tom Solomon

Reaction fronts and swimming microbes in fluid flows

Tom Solomon Bucknell University

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September 13, 2018

Paul Baker

Detecting Gravitational Waves with a Pulsar Timing Array

Paul Baker, Center for Gravitational Waves and Cosmology, West Virginia University

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September 27, 2018

Angie Wolfgang

Compositions of Extrasolar Planets: What Will We Learn from Our Next Planet Hunter?

Angie Wolfgang, Penn State University

Abstract: Thousands of extrasolar planets have been discovered, yet our quest to understand what they are like and how they formed is just beginning. A crucial aspect of this effort is to assess the possible compositions of these planets - that is, are they more rocky like Earth, or do they have significant layers of gas like Neptune or Uranus? A new planet hunter called the Transiting Exoplanet Survey Satellite (TESS) is designed to address this question by discovering hundreds of sub-Neptune-sized planets that orbit stars relatively close to our Sun, and subsequently measuring precise masses for at least 50 of them. In this talk I will discuss how we determine exoplanet compositions, what we know about them so far, and how our understanding may evolve thanks to TESS.

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October 11, 2018

Kenny Mineart

Title TBA

Kenny Mineart , Bucknell University

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October 25, 2018

(Research talks by students)

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November 8, 2018

Paolo Arratia

Title TBA

Paolo Arratia, University of Pennsylvania

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November 29, 2018

(Stay tuned)

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