FIREX - Related Biomass Burning Research Using ARM Single - Particle Soot Photometer Field Campaign Report. (arm.gov)
Other instruments aboard include the High - Speed Imaging Photometer for Occultation, which will observe objects such as planets, satellites, and asteroids as they pass in front of stars, and the German Receiver for Astronomy at Terahertz Frequencies, which will determine the chemical composition of interstellar gas clouds. (discovermagazine.com)
Astronomers can use photometers to precisely measure the amount of light emitted at specific wavelengths that correspond to the emission lines produced by heated chemical elements. (astro-canada.ca)