Wolf Cukier's job, after he finished his junior year at Scarsdale High School in New York, was to examine variations in star brightness captured by NASA’s Transiting Exoplanet Survey Satellite (TESS).
TESS has four cameras, which each take a full-frame image of a patch of the sky every 30 minutes for 27 days, NASA says. Scientists use the observations to generate graphs of how the brightness of stars change over time.
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