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Contact: Lisa Nelson
Lisa.Nelson@nau.edu
928-523-6123
Northern Arizona University

Sphere Photo

Caption: A colorized scanning electron microscope image of a glassy carbon sphere that contains evidence of extraterrestrial impact. The sphere measures about .012 inches in width.

Credit: SEM imaging by Jim Wittke

Usage Restrictions: Must include photo credit

Related news release: Research team says extraterrestrial impact to blame for Ice Age extinctions


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