Contact: Steve Koppes
s-koppes@uchicago.edu
773-702-8366
University of Chicago
Caption: Philipp Heck with the Chicago Center for Cosmochemistry's time-of-flight mass spectrometer, which can reveal the chemical composition of minute experimental samples. Heck and his associates used a magnetic sector mass spectrometers in their latest study on interstellar dust grains.
Credit: Dan Dry
Usage Restrictions: News organizations may use this image in connection with reports describing the research of Philipp Heck and his associates.
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