Organization NASA Lunar Science Institute

University of Hawaii

National Aeronautics and Space Administration

SETI Institute

NASA Astrobiology Institute

NASA Ames Research Center

American Astronomical Society

Astronomical Society of the Pacific

International Astronomical Union

American Association for the Advancement of Science

California Academy of Sciences

Committee for Skeptical Inquiry

University of Arizona

Lunar and Planetary Institute

Harvard University

Harvard-Smithsonian Center for Astrophysics

NASA Solar System Exploration Research Virtual Institute

European Space Agency

Meteoritical Society

Lunar Exploration Analysis Group

Field Training and Research Program at Meteor Crater

Center for Lunar Science and Exploration

Geological Society of America

Barringer Crater Company

Barringer Family Fund for Meteorite Impact Research

Institute for the Study of Planet Earth

Chicxulub Scientific Drilling Project

Meteorite Nomenclature Committee

Sigma Xi

Sigma Gamma Epsilon

Sigma Pi Sigma