Henry Throop is a planetary astronomer based in Washington, DC. His research focuses on the outer solar system, and he has published over 40 articles in scientific journals, on topics ranging from to rings of Saturn and Jupiter, to planet and star formation, to astrobiology and the origins of life, to searching for (and co-discovering) Pluto’s smallest moon, Styx, in 2012. Throop is member of the science team for NASA’s New Horizons mission, and was involved in its historic flyby of Pluto in 2015 and Ultima Thule in 2019. He received a PhD in Planetary Science from the University of Colorado, in 2000. Throop is a program officer at NASA Headquarters in Washington, DC, where he is a program manager for NASA’s planetary research program.
Throop has spent much of his career bringing astronomy to the developing world. While living for eight years in Africa, India, and Mexico, he worked extensively with schools and community groups, helping to develop their science programs and inspire the next generation of leaders. He has presented more than 150 lectures for science festivals, planetariums, school groups, and public events across the world. Throop’s work has been featured in Science, Nature, Time, The Washington Post, and on the History Channel and National Geographic TV, as well as dozens of newspapers from Pakistan to Hungary to Namibia.
Throop’s work has won him broad accolades. In 2017 he was awarded both the US State Department’s Avis Bohlen Award, and the American Astronomical Society’s Carl Sagan Medal, for his work in science communication and outreach to the public. Asteroid “193736 Henrythroop” was named in his honor.