YouTube Channels

Astronomy State of the Art

Join Prof. Chris Impey and our team of instructors from Steward Observatory at The University of Arizona to learn the science behind the latest astronomy news headlines and to enrich your understanding of what we are learning about our universe, how we find out, and to glimpse the future of this exciting area of research.

Teach Astronomy

TeachAstronomy.com is an astronomy learning tool, intended either as a supplement for classroom instruction or for informal learners wanting to know more about the subject. Here you can watch video lectures on astronomy topics.

Active Galactic

Welcome to Active Galactic! We investigate all kinds of things we find interesting about astronomy, physics, and space, and share it with the world twice a month. We are a student-run group out of Steward Observatory at the University of Arizona. Our sister channels are Teach Astronomy and Astronomy State of the Art, all working together with Professor Chris Impey. Subscribe and join us!

Christopher Impey

A personal YouTube channel featuring some older projects of Professor Impey’s.