Wednesday, Jul 09, 2025

L-R: Bonnie Chi, Jean Chair, Lauren Sgro (onscreen), Garrett Shaw, Franck Marchis, Doug Caldwell.

The SETI Institute’s Community College Internship program is an ongoing collaboration between Bay Area community colleges and the SETI Institute, providing students with a research experience during their spring semester. Now in its third year, the program has welcomed students from Diablo Valley College in Pleasant Hill, CA and Evergreen Valley College in San Jose.

On June 7th, this year’s interns, Bonnie Chi and Garrett Shaw, both from Diablo Valley College (DVC), completed their research internships and presented their work to an audience of SETI Institute scientists and incoming REU summer interns.

“Because research opportunities are often limited at community colleges, where the primary focus is on teaching and faculty are dedicated mainly to instruction, the SETI Institute’s Spring semester internship is especially valuable,” said Dr. Jean Chiar of Diablo Valley College, who supports the program.

Bonnie Chi, who is studying astronomy, mathematics and physics at DVC, worked with mentors Dr. Lauren Sgro and Dr. Franck Marchis on science communications at the Unistellar/SETI Institute office in San Francisco. Bonnie wrote articles, created infographics and led social media postings for Unistellar’s citizen science community. Bonnie’s Cosmic Cataclysms article provided insight into transient events in the universe – gamma-ray bursts, novae and supernovae, and introduced the importance of Type 1a supernovae as distance indicators in cosmology. Her colorful and clear infographics, on subjects such as satellite orbits and insights into the nature of comets, will become part of Unistellar’s body of resources for citizen science astronomers. Bonnie will continue her studies at DVC in the fall, including Independent Study and telescope training with DVC’s Dr. Jean Chiar.

“Bonnie was a such a delight to work with. I’m so grateful for the Community College Internship program and that it brought her into our team,” said Dr. Lauren Sgro of Unistellar and the SETI Institute. “Getting to watch her grow her skills throughout the program was such a gift, and she created some fantastic works. I can’t wait to see what she does next in her career. Great job Bonnie!”

Bonnie Chi presenting her work at the SETI Institute.

Garrett Shaw presenting his work at the SETI Institute.

Garrett Shaw, working with mentor Doug Caldwell, focused on the detection and classification of exoplanets using observations from TESS, the Transiting Exoplanet Survey Satellite. Garrett contributed to the development of a machine learning tool to identify false positives – observations that were classified as planetary transits but were actually due to other phenomena, such as stellar variability, background objects and instrumental effects. Garrett’s work forms the foundation for future student development, enabling continued improvement of the machine learning architecture. Garrett leaves EVC this summer to study computational biology and bioinformatics at UC San Diego.

“Garrett continued the series of excellent interns that I have had the privilege to work with through the Community College Internship program,” said Dr. Doug Caldwell who has been a mentor for the program since its inception. “When I mentioned that there was a machine learning aspect of the project that hadn’t received much attention, he jumped in with both feet. I am confident that Garrett’s curiosity and strong computational background will serve him well in his career.”

This ongoing collaboration between the SETI Institute and local colleges expands the student internship experience beyond traditional summer programming, in addition providing opportunities for excellent students studying at colleges that cannot offer in-house research experiences. The SETI Institute hopes to expand internship opportunities to other Bay Area community colleges in the coming years.

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