Meteoritical Society

Meteoritical Society. The Meteoritical Society is an international non-profit scholarly organization dedicated to the research and promotion of the study of extraterrestrial materials and related planetary processes. Founded in the early 20th century, it serves as the central professional body for scientists working in meteoritics, cosmochemistry, and allied fields of planetary science. The Society facilitates global collaboration through its prestigious publications, annual meetings, and a system of recognized awards, playing a foundational role in advancing our understanding of the Solar System.

History

The Society was established in 1933 by astronomer Frederick C. Leonard at University of California, Los Angeles, building upon earlier informal networks of researchers interested in meteorite falls and tektites. Its formation coincided with a period of growing scientific interest in the origin of the Solar System and the chemical analysis of stony meteorites and iron meteorites. Early influential members included Harvey H. Nininger, a prolific meteorite hunter, and Harold C. Urey, a Nobel laureate in chemistry whose work on paleotemperatures and the Miller–Urey experiment influenced the field. The Society's growth accelerated after the Space Age began, as returned samples from the Apollo program and later missions like Hayabusa and OSIRIS-REx transformed cosmochemistry into a major discipline.

Organization and governance

The Society is governed by an elected Council which includes a President, Vice-President, Secretary, and Treasurer, who serve specific terms. Key operational committees, such as the Nomenclature Committee, are responsible for critical functions like approving the official names of new meteorite discoveries, including those from Antarctica and the Sahara Desert. The Database Committee oversees the Meteoritical Bulletin, the authoritative registry for all known meteorites. The organization maintains strong ties with major research institutions like the Smithsonian Institution, NASA, and the Natural History Museum, London, and is a constituent member of the International Union of Geological Sciences.

Publications and scientific contributions

The Society's flagship publication is the journal Meteoritics & Planetary Science, a primary archive for research on asteroids, comets, interplanetary dust, lunar samples, and Martian meteorites like ALH 84001. It also publishes the essential Meteoritical Bulletin and the Catalog of Meteorites. The Society's work has been central to major scientific discoveries, including the identification of presolar grains, the use of radiometric dating to determine the age of the Solar System, and the study of impact events like the Cretaceous–Paleogene extinction event linked to the Chicxulub crater. Research published under its auspices has profoundly shaped theories of planetary formation and asteroid belt evolution.

Meetings and awards

The Society holds an annual scientific meeting, often in conjunction with other organizations like the American Geophysical Union or the European Geosciences Union, rotating locations globally to places such as Berlin, Tokyo, and Rio de Janeiro. Its highest honor is the Leonard Medal, awarded for outstanding contributions to meteoritics and allied sciences, with past recipients including Eugene Shoemaker and Gerald J. Wasserburg. Other significant awards include the Barringer Medal for work on impact cratering and the Nier Prize for early-career scientists. Special symposia often focus on specific events like the Chelyabinsk meteor airburst or missions such as Stardust.

Membership and outreach

Membership is open to professional scientists, students, and interested individuals, encompassing researchers from institutions like the University of Chicago, the California Institute of Technology, and the Russian Academy of Sciences. The Society actively promotes education and public outreach, providing resources for the study of major collections at the Field Museum and the Vatican Observatory. It supports early-career researchers through travel grants to its meetings and fosters international collaboration on projects like the classification of carbonaceous chondrites and the analysis of samples from asteroid Ryugu and Bennu.

Category:Scientific organizations Category:Planetary science Category:1933 establishments in the United States