1. School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, Georgia, USA.
2. Department of Geological Sciences, University of Colorado Boulder, Boulder, Colorado, USA.
3. Department of Anthropology, George Washington University, Washington DC, USA.
4. Space Enabled Research Group, MIT Media Lab, Cambridge, Massachusetts, USA.
5. Department of Physics and Astronomy, Howard University, Washington DC, USA.
6. Center for Research and Exploration in Space Science and Technology, NASA/GSFC, Greenbelt, Maryland, USA.
7. NASA Goddard Space Flight Center, Greenbelt, Maryland, USA.