Enjoying EarthSky? Subscribe.

103,509 subscribers and counting ...

Richard Gross


Richard Gross studies the Earth’s rotation. His research for NASA’s Jet Propulsion Laboratory as a geophysicist helps launch spacecraft at the correct time and position to reach their exact destinations. He has written many scientific articles on subjects related to the Earth’s rotation. Dr. Gross received his Ph.D. in geophysics from the University of Colorado at Boulder in 1982.

Interviews with Richard Gross
Richard Gross: Japan earthquake shortened Earth's day 1.4 millionths of a second
Chile earthquake might have shortened Earth's day, but how?