BA Astrophysical Sciences

If you want to dive into the mysteries of the universe using real data, advanced technology, and original research, Princeton University’s BA in Astrophysical Sciences is one of the very best places to do it. You’ll join a close-knit, world-renowned department where experiential learning is central to your education, and you’ll have access to outstanding facilities and mentorship at every stage.

Here’s how Princeton’s program gives you hands-on, real-world experience:

• On-campus and remote telescopes: You’ll use Princeton’s own telescopes and remote observing facilities, gaining practical skills in astronomical observation and data analysis.

• Space Physics Laboratory: Participate in a unique two-semester lab sequence where you’ll learn ultrahigh vacuum techniques, work in a space instrument cleanroom, and develop mechanical and electrical skills. You’ll join group projects to design and build NASA space flight instrumentation, preparing you for careers in space science and engineering.

• Research Methods in Astrophysics (AST 303): This course introduces you to the tools of modern astronomy, from space-based gamma-ray telescopes to globe-spanning radio interferometry. You’ll practice analysing massive datasets and learn the computational and statistical methods used by professional astrophysicists.

• Independent research: Every major completes two Junior Papers and a Senior Thesis, working closely with faculty on original research projects. You can analyse data from facilities like the Sloan Digital Sky Survey, Subaru Telescope, or the Hubble Space Telescope, or pursue theoretical and computational topics in areas such as cosmology, galaxy formation, black holes, exoplanets, and more.

• Group projects and interdisciplinary work: You’ll have opportunities to collaborate on projects that bridge astronomy, planetary science, astrobiology, space exploration, science policy, and even science education.

• Sophisticated computing resources: The department provides access to advanced computational tools and software for modelling, simulation, and data analysis, essential for modern astrophysics.

• Supportive environment: The department is known for its strong mentorship, informal and flexible atmosphere, and full accessibility to faculty and facilities, so you’ll always have guidance as you develop your skills and research interests.

Princeton University’s BA in Astrophysical Sciences prepares students for elite graduate programs and impactful careers in science, technology, education, and beyond. Graduates are exceptionally well-prepared for top graduate programs or careers as research scientists, data analysts, scientific programmers, and science educators. You’ll find alumni thriving not only in astrophysics but also in fields like science policy, space exploration, finance, law, and teaching—thanks to the program’s flexibility and rigorous training.

Here’s how Princeton sets you up for a stellar future:

• Personalized Mentorship & Research: You’ll benefit from close faculty supervision, small class sizes, and a “family-like” department atmosphere. Every student completes two junior research papers and a senior thesis, often resulting in co-authorship of published scientific papers—a rare and valuable achievement at the undergraduate level.

• Outstanding Career Outcomes: Princeton Astrophysics majors are regularly accepted to the world’s top graduate programs—including Berkeley, Caltech, Chicago, Cornell, Harvard, and Santa Cruz—and many win prestigious fellowships. The department’s strong reputation and alumni network open doors in both academia and industry.

• Industry & Research Partnerships: You’ll have access to Princeton’s 3.5-meter telescope in New Mexico (remotely operable from campus), and can join major international collaborations like the Sloan Digital Sky Survey. The department also partners with the Max Planck Society and the Princeton Plasma Physics Laboratory, giving you exposure to groundbreaking work in fusion research and astrophysical plasmas.

• Accreditation & Lasting Value: The program is fully recognised in the US and internationally, and is consistently ranked among the nation’s best for astrophysics.

• Graduate Outcomes: You’ll develop advanced skills in quantitative reasoning, data analysis, computational methods, and independent research. The curriculum covers everything from planets and black holes to dark matter, cosmology, and the evolution of the universe, preparing you for both immediate employment and further academic pursuits.

Further Academic Progression: After earning your degree, you’ll be ready to pursue a master’s in astrophysics, astronomy, physics, or related fields at Princeton or other top institutions. The program’s strong research focus, faculty mentorship, and global reputation ensure you’re set up for success in graduate school or any professional path you choose.