You'll be surrounded by many like-minded peers at University of Colorado Boulder if you wish to pursue a doctor's degree in astronomy and astrophysics. Located in the city of Boulder, CU - Boulder is a public university with a fairly large student population. Potential students might also be interested to know that the school ranks #1 in quality for doctor's degrees in astronomy and astrophysics in Colorado. More information about a doctorate in astronomy and astrophysics from University of Colorado Boulder