1. Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California
2. Massachusetts Institute of Technology, Department of Earth and Planetary Sciences, and Department of
3. University of San Francisco, College of Arts and Sciences, San Francisco, California
4. NASA Goddard Space Flight Center, Greenbelt, Maryland
5. Stanford University, Kavli Institute for Particle Astrophysics and Cosmology, Stanford, California
6. Northrop Grumman Aerospace Systems, Redondo Beach, California
7. Stanford University, Stanford, California
8. Space Telescope Science Institute, Baltimore, Maryland
9. Cornell University, Department of Astronomy and Carl Sagan Institute, Ithaca, New York
10. Northern Arizona University, Department of Astronomy and Planetary Science, Flagstaff, Arizona
11. University of Chicago, Astronomy Department, Chicago, Illinois
12. Cornell University, Sibley School of Mechanical and Aerospace Engineering, Ithaca, New York