Steven Squyres

Steven Squyres is an American planetary scientist best known as the principal scientific investigator for NASA's highly successful Mars Exploration Rover mission. His leadership was instrumental in the operations of the Spirit and Opportunity rovers, which transformed the understanding of the Martian surface. A professor of astronomy at Cornell University, his research has significantly advanced the study of planetary geology and the search for extraterrestrial life.

Early life and education

Born in Glens Falls, New York, he developed an early interest in space exploration, influenced by the Apollo program. He earned his Bachelor of Arts degree in geology from Hobart and William Smith Colleges in Geneva, New York. He then pursued graduate studies at Cornell University, where he completed a Master of Science and a Doctor of Philosophy in planetary science, working under the guidance of renowned scientists like Carl Sagan at the Cornell Center for Astrophysics and Planetary Science.

Career and research

Following his doctorate, he joined the faculty of Cornell University, where he has held the Goldwin Smith Professorship of Astronomy. His early research involved analyzing data from the Voyager program, particularly the Voyager 2 flybys of Jupiter and Saturn. He later served as a co-investigator on several NASA missions, including the Magellan mission to Venus and the NEAR Shoemaker mission to the asteroid 433 Eros. His expertise in remote sensing and geomorphology established him as a leading figure in interpreting data from robotic spacecraft.

Mars Exploration Rover mission

Appointed as the principal investigator for the Mars Exploration Rover project, he led an international team of scientists and engineers from the Jet Propulsion Laboratory. The mission's twin rovers, Spirit and Opportunity, landed on Mars in January 2004. Under his scientific direction, the rovers discovered definitive evidence of past water on Mars, including the mineral hematite at Meridiani Planum and ancient hydrothermal systems at Columbia Hills. The mission, which far exceeded its planned 90-day duration, provided unprecedented insights into the planet's potentially habitable environments and is considered one of NASA's greatest successes in planetary exploration.

Awards and honors

His contributions to space science have been recognized with numerous prestigious awards. These include the Carl Sagan Memorial Award from the American Astronautical Society, the NASA Distinguished Public Service Medal, and the Wetherill Medal from the Franklin Institute. He was also elected a fellow of the American Association for the Advancement of Science and the American Geophysical Union. In 2005, he received the John L. "Jack" Swigert, Jr. Award for Space Exploration from the Space Foundation.

Personal life

He is married and has two children. An avid advocate for science education and public outreach, he has authored the book "Roving Mars: Spirit, Opportunity, and the Exploration of the Red Planet." He has also served on various advisory committees for NASA and the National Academies of Sciences, Engineering, and Medicine, helping to shape the future of United States space policy and robotic exploration.

Category:American planetary scientists Category:Cornell University faculty Category:1956 births Category:Living people