Research Courses at Princeton

Eight students and a lab engineer are wearing white coverall suits while working in a cleanroom.
Group Photo of the AST251 students with Precision Assembly Specialist John Teifert all geared up in the cleanroom!

The structure of a “standard” Princeton course usually includes a mix of lectures, precepts, or seminars which likely have a midterm and final. While some of these courses may have “lab” components where you spend a couple hours once a week doing a hands-on assignment, there exist many courses at Princeton which are instead entirely focused on conducting hands-on, lab-based research with a small team that works closely with professors who provide mentorship as you work on an original research project. If you’ve ever wanted to take a class that is far different from anything else at Princeton by teaching you hands-on skills and giving the opportunity for a new project, these types of courses might be for you!

Some of these courses are year-long sequences like AST250 Space Physics Lab I and AST251 Space Physics Lab II, which I took during the 2022-2023 academic year. This was one of my favorite course experiences at Princeton and was certainly the most engaging. The skills we learned were invaluable, and as we worked closely with the professors and each other, our year-long project became an unforgettable experience.

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Mapping the Stars: An Interview with Reilly Bova ’20

Reilly Bova ’20 is a Bachelor of Science and Engineering (B.S.E) Computer Science (COS) major with a strong interest in Physics. He spent this past summer conducting research in Princeton’s Physics department. His work included the visualization of deep universe galaxy clusters.

A snapshot from Reilly’s work of the Cosmic Microwave Background projected onto the edge of the observable universe.

Reilly took data on some of the oldest and farthest discovered galaxies (several billion light-years away) and mapped them onto a computational model of the observable universe. He also added to the visualization extremely precise maps of the Cosmic Microwave Background (CMB), which is radiation from about 380,000 years after the Big Bang. Right after the Big Bang, the universe was so hot that nothing—not even photons—could travel unimpeded, which rendered the universe opaque. Around year 380,000, the universe had cooled enough that neutral atoms could form, rendering it transparent (i.e., photons could now travel through it) and releasing an enormous amount of energy which we now call the CMB. This Cosmic Microwave Background has been traveling through the universe for billions of years. As the universe expands, the wavelength of the CMB radiation lengthens (i.e., “redshifts”). We can generate a map of what the universe looked like very early in its life by measuring  these redshifts.

I recently had the exciting opportunity to interview Reilly and find out more about his research experience.

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