The JWST Has Spotted Giant Black Holes All Over the Early Universe
Giant black holes were supposed to be bit players in the early cosmic story. But James Webb Space Telescope observations are finding an unexpected abundance of the beasts.
“Everybody is talking about these little red dots,” said Xiaohui Fan, a researcher at the University of Arizona who has spent his career searching for distant objects in the early universe. Learn more
For Public
Public events include our Monday Night Lecture Series, world-reknowned Astronomy Camp and Mt Lemmon Sky Center.
For Students
A good place to start if you want to become an undergrad major or grad student, or need to find our schedule of classes.
For Scientists
Find telescopes and instruments, telescope time applications, staff and mountain contacts, and faculty and staff scientific interests.