Measuring Reflectivity of Microbial Mats in Yellowstone National Park Sep 6, 2019 Dr. Parenteau (L) and I watch as the mobile spectrometer processes our reflectivity data. fieldwork Samantha Gilbert (she/her/hers) PhD student in Astronomy/Astrobiology I am studying how we can best interpret exoplanet biosignatures using spectra from future instruments. Related Trawling the Puget Sound to Trace the Evolutionary History of Invertebrate Organisms