A program that focuses on the scientific study of planets, small objects, and related gravitational systems. Includes instruction in the structure and composition of planetary surfaces and interiors, planetary atmospheres, satellites, orbital mechanics, asteroids and comets, solar system evolution and dynamics, planetary evolution, gravitational physics, and radiation physics.
Planetary Astronomy and Science is relatively popular as a minor/second major with 5 people graduating with it as a minor in academic year 2018-19.
| Harvard University | 7 |
| California Institute of Technology | 2 |
| Florida Institute of Technology | 1 |
| Ohio Wesleyan University | 1 |