Henry Throop, Ph.D.

Dr. Henry Throop is a Program Scientist at NASA HQ in Washington, DC, where he manages NASA’s research programs in the outer solar system. Dr. Throop was a member of the science team for NASA’s New Horizons mission and its historic encounters with Pluto (2015) and the Kuiper belt object Arrokoth (2019), and he has been involved with NASA missions throughout the solar system. His research interests focus on the rings of Saturn and Jupiter, and the formation of planetary systems. Henry has spent much of his career bringing astronomy to the developing world, and has given hundreds of talks at schools and science centers in India, Africa, Sri Lanka, Mexico, and around the world. He is the recipient of the American Astronomical Society’s Carl Sagan Medal for Excellence in Public Communication in Planetary Science. Asteroid 193736 Henrythroop is named in his honor. Henry joined Sirius Travel as a guide starting in 2023 on our eclipse tour to Western Australia and we look forward to him joining us on many future tours!