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Dust from space found in stratosphere study claims comet fragments
Researchers working with a U2 over Bethlehem report that more than half of larger stratospheric dust grains are extraterrestrial, many possibly comet fragments. Findings show carbon rich composition with iron sulfides and rare minerals, suggesting delivery from space via meteor envelopes.
MENTIONED IN THIS ARTICLE
Walter Sullivan c
N.Y. Times
Bethlehem
American Laboratories
Space
The
Meteoritical Society
Lehigh University
Gemini
National Aeronautics and Space Administration
Space Agency
Soviet Union
NASA
Ames Research Center
Mountain View
Calif
University of Washington
Seattle
Carnegie Institution
Washington
D.C