William K. Hartmann (scientist)

William K. Hartmann is an American planetary scientist and astronomer known for his work studying the surfaces, formation, and evolution of planets and moons. He has contributed significantly to understanding impact cratering and planetary geology, helping to interpret the history of celestial bodies in our solar system. Hartmann has participated in space missions and has authored influential research on planetary atmospheres and surfaces. His work aids scientists in reconstructing past events on planets like the Moon and Mars, providing insights into planetary processes and the history of our solar system.