Tom Roellig and Greg Kopp emptying liquid nitrogen from the detector dewars prior to cooling them with liquid helium

Tom Roellig (NASA Ames) and Stanford graduate student Greg Kopp, 1988, emptying liquid nitrogen from the detector dewars prior to cooling them with liquid helium. They would use the detectors to make far-infrared observations of a solar eclipse. The expedition was based at Anderson Air Force Base on Guam, where this picture was taken., Credit Line: NASA, courtesy of AIP Emilio Segrè Visual Archives, Erickson Collection
Abstract/Description: Tom Roellig (NASA Ames) and Stanford graduate student Greg Kopp, 1988, emptying liquid nitrogen from the detector dewars prior to cooling them with liquid helium. They would use the detectors to make far-infrared observations of a solar eclipse. The expedition was based at Anderson Air Force Base on Guam, where this picture was taken.
Subject(s): Liquid nitrogen
Laughter
Eyeglasses
Portraits, Group
Guam
Roellig, Thomas L. (Thomas Leonard)
Kopp, Greg
Date Created: 1988
Credit Line: NASA, courtesy of AIP Emilio Segrè Visual Archives, Erickson Collection
Catalog ID: Roellig Thomas C1