Astronomy & Astrophysics

Astronomy and astrophysics provide the broadest scientific context for Mars exploration, situating the Red Planet within the story of how the solar system formed and how planets evolve. Practitioners in this field study celestial bodies and the physical laws that govern them, work that underlies our understanding of Mars as a world with a past, a present, and a possible future role in humanity's expansion beyond Earth.

The connection to Mars is both historical and ongoing. Centuries of telescopic observation shaped how we imagined the planet — including the famous canal illusion that misled astronomers for decades — before spacecraft replaced speculation with data. Today, astrophysical knowledge informs the search for habitable conditions, the study of planetary formation, and the comparison of Mars with Earth and other worlds. Understanding stellar radiation and the space environment is also crucial for protecting future crews from the hazards of deep space.

Programs in astronomy and astrophysics cover celestial mechanics, planetary science, stellar physics, and observational techniques. Graduates contribute to mission science, planetary comparison, and the fundamental research that frames why Mars matters — knowledge woven throughout the science section of this site.