Zakharov, (2016), The 2016 Feb 19 outburst of comet 67P/CG: an ESA Rosetta multi-instrument study, Monthly Notices of the Royal Astronomical Society, 462, S220-S234 Zaprudin, (2017), Evidence of sub-surface energy storage in comet 67P from the outburst of 2016 July 03, Monthly Notices of the Royal Astronomical Society, 469, S606-S625Į. Earle, New Horizons Geology Geophys, (2019), Washboard and fluted terrains on Pluto as evidence for ancient glaciation, Nature Astronomy, 3, 62-68 Retherford, Magda Saina, Kirby Runyon, Eric Schindhelm, John Stansberry, Andrew J. Schenk, Bernard Schmitt, Bonniej Buratti, S. Singer, Tanguy Bertrand, Stuartj Robbins, Paul M. NASA Medal for Exceptional Scientific Achievement Notable Awards and Leadership Year(s)ĭivision of Planetary Sciences of the American Astronomical Society Asteroid 5720 Halweaver was named after me in 1996. In summer 2015 New Horizons passed by Pluto, turning it from a pixelated blob into a complex and diverse world with water ice mountains, nitrogen glaciers, and multiple layers of atmospheric haze. In 2005 my team and I discovered two new satellites around Pluto, Nix and Hydra. Currently I'm a Co-Investigator and Project Scientist on the New Horizons Mission, the first spacecraft mission to Pluto and the Kuiper belt. In 2007, I became a Co-Investigator on the Alice Ultraviolet Spectrograph, which is one of the principal NASA contributions to the ESA-led Rosetta comet mission. I led several programs to observe comets using the Far Ultraviolet Spectroscopic Explorer (FUSE), another Earth-orbiting astronomical facility. I was the Principal Investigator on the first HST spectroscopic observations of a comet in September 1991, and on the main HST program to study Comet D/Shoemaker-Levy 9, which plunged into Jupiter’s atmosphere in July 1994. I've led many investigations of comets using the NASA/ESA Hubble Space Telescope (HST). In the 1980s, I started observing comets using high resolution infrared spectroscopy, and discovered water emission from Comet Halley in 1985 using the Kuiper Airborne Observatory. For my dissertation research, I analyzed the ultraviolet spectra of comets obtained with the NASA/ESA International Ultraviolet Expllorer (IUE) satellite. I have been studying planetary science since 1978.
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