Renyu Hu, PhD

Hubble Fellow

Jet Propulsion Laboratory

California Institute of Technology

B.S., Tsinghua University, 2007; M.S., Tsinghua Univerisity, 2009; Diplome d’Ingenieur, Ecole Centrale Paris, 2009; Ph.D., Massachusetts Institute of Technology, 2013.


My research focuses on studying the fundamental processes that determine the chemical composition and evolution of atmospheres on planets in the Solar System and exoplanets. Recent highlights of my findings are:

  • A moderately dense early atmosphere on Mars implied by the atmosphere’s isotopic signature
  • Potential helium atmospheres on some exoplanets as the outcome of extensive atmospheric evolution


Here are the models I have developed as tools to simulate important atmospheric processes and to analyze observations:

  • A general atmosphere chemistry and radiation transfer model for atmospheres of any oxidation states
  • A model for simulating spectral features of surface minerals on bare-rock exoplanets
  • A general retrieval method to extract cloud information from visible-wavelength phase curves of exoplanet


My curriculum vitae can be found here.

© Renyu Hu 2015