International Dark-Sky Association / National Aeronautics and Space Administration / Planetary Science Institute / Extraterrestrial Intelligence / /
Person
Mars One / Chris Carberry / David Grinspoon / Geoff Marcy / Andrew Chaikin / Alan Stern / Mark Sykes / Emily CoBabeAmmann / Explore Mars / Teresa Segura / Dan Durda / Jon Lomberg / / /
Position
author / CEO / science director / executive director / director / planetary scientist and CEO / space historian and author / planet hunter / planetary scientist / author and former museum science director / planetary scientist and aerospace executive / /