Sandy Krasner from NASA's Jet Propulsion Laboratory discusses the Mars InSight lander with attendees of a Mars celebration Friday, May 31, 2019, in Mars, Pennsylvania. NASA is in the small town to celebrate Mars exploration and share the agency’s excitement about landing astronauts on the Moon in five years. The celebration includes a weekend of Science, Technology, Engineering, Arts and Mathematics (STEAM) activities. Photo Credit: (NASA/Bill Ingalls)

Mars InSight team members Kris Bruvold, left, and Sandy Krasner react after receiving confirmation that the Mars InSight lander successfully touched down on the surface of Mars, Monday, Nov. 26, 2018 inside the Mission Support Area at NASA's Jet Propulsion Laboratory in Pasadena, California. InSight, short for Interior Exploration using Seismic Investigations, Geodesy and Heat Transport, is a Mars lander designed to study the "inner space" of Mars: its crust, mantle, and core. Photo Credit: (NASA/Bill Ingalls)