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Donate
Opportunities
Guide
People
Research
Black Holes & Dead Stars
Exoplanets & The Solar System
Galaxies & Cosmology
Gravitational Waves & Multi-Messenger Astronomy
Life & Death of Stars
Stellar Dynamics & Stellar Populations
Artificial Intelligence
Facilities and Collaborations
Outreach
Interact with CIERA
Lessons & Training
Independent Exploration
Programs
For Researchers
For Graduate Students
For Undergraduates
For K-12 Educators and Students
For the Public
News & Events
Events
News
Current and Upcoming Visitors
Newsletter Archive
Gallery
About Us
People
Visiting Researchers
Science Advisory Board
Board of Visitors
CIERA’s Tech Council
CIERA Committees
Faculty Membership
Our Impact
Community Values Statement
Highlights of Astronomy at Northwestern
John Fregeau
Fregeau
,
John
Research Staff Member, IDA
Tech Council Member (2026 — )
