Hörst Group Members
Postdocs and Research Scientists


Joseph Serigano (Postdoc, Graduate Student 2015-2021)

Joe is a postdoc interested in the atmospheres of the outer solar system. He is currently using data from the Cassini Ion and Neutral Mass Spectrometer to understand the composition and structure of Saturn's atmosphere.


Graduate Students

Michael Radke (6th Year)

Michael is a fourth year graduate student with a background in Geology and Chemistry. He is interested in the chemistry of planetary atmospheres--particularly those of Venus and Titan. He is also interested in the complex chemical interactions between planetary surfaces and atmospheres and how these atmospheres evolve over geologic timescales. He enjoys drinking coffee, looking at rocks, skiing, and contemplating his existence in the Solar System.






  • Kristin Showalter Sotzen (6th Year)

    Kristin is a fourth year graduate student with a background in applied physics and space systems engineering. She is interested in atmospheric dynamics and chemistry for both exoplanets and solar system planets. She is also interested in planetary formation and orbital dynamics. She is currently engaged in research with the Space Telescope Science Institute looking at spectroscopy of hot Jupiter atmospheres.












    Undergraduate Students




    Former Group Members
    Sarah Moran (Graduate Student, 2016-2021)

    Now the Director's Postdoctoral Fellow at the University of Arizona Lunar and Planetary Laboratory.
    Sarah's Website


  • Ashley Walker (Undergraduate, Chicago State University, 2018-2019)

    Xinting Yu (余馨婷) (Graduate Student, 2014-2019)

    PhD Earth and Planetary Sciences 2019
    Xinting is now a 51 Pegasi b Fellow at the University of California Santa Cruz.
    Xinting's Website



  • Amy Wetsch (HEMI/MICA Extreme Arts Intern 2018)

    MFA Maryland Institute College of Art 2019
    Amy's Website

    Bryné Hadnott (Graduate Student, 2017-2019)

    MA in Earth and Planetary Sciences 2019

    Sydney Riemer (Undergraduate, 2015-2017)

    BA in Earth and Planetary Sciences 2018


    Mira Sobhy (Undergraduate, 2016-2017)

    BA in Earth and Planetary Sciences 2018




    Last Updated: 30 September 2021

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