Ellen Susanna Howell is an American astronomer and planetary scientist who studies the composition and structure of asteroids and comets within the Solar System. She is a research professor at the Lunar and Planetary Laboratory of the University of Arizona, and a team member for the OSIRIS-REx sample-and-return space mission.
- Occupation
- astronomer, researcher
- Citizenship
- United States
- Born
- May 3, 1961
