Journal
SCIENCE
Volume 352, Issue 6292, Pages 1449-1452Publisher
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.aae0328
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Funding
- NASA Astrobiology Institute Early Career Collaboration Award
- National Radio Astronomy Observatory Jansky Postdoctoral Fellowship
- National Science Foundation
- NASA Astrobiology Institute through the Goddard Team [NNX09AH63A, NNX15AT33A (NNX09AH63A)]
- NSF Astronomy and Astrophysics [AST-1109857]
- Australian government
- [AGBT06B-006]
- NASA [NNX09AH63A, 117294] Funding Source: Federal RePORTER
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Life on Earth relies on chiral molecules that is, species not superimposable on their mirror images.This manifests itself in the selection of a single molecular handedness, or homochirality, across the biosphere. We present the astronomical detection of a chiral molecule, propylene oxide (CH3CHCH2O), in absorption toward the Galactic center. Propylene oxide is detected in the gas phase in a cold, extended molecular shell around the embedded, massive protostellar clusters in the Sagittarius B2 star-forming region. This material is representative of the earliest stage of solar system evolution in which a chiral molecule has been found.
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