Key information Duration Full-time: 96 months Start dates & application deadlines Starting August 2027 Apply before Dec 2026 Language English
Duolingo English Test: 95 TOEFL iBT: 80 PTE Academic: 56 IELTS: 6 Credits 60 SCH Delivered On Campus Campus Location Flagstaff, United States Disciplines Astronomy & Space Sciences Overview Statement The Astronomy and Planetary Sciences program of the Northern Arizona University leverages state-of-the-art resources found in Arizona, and especially one of a kind facilities near Flagstaff, to deliver a unique and distinct graduate education that cannot be found in Arizona's other state universities. The Department of Physics and Astronomy will partner with Lowell Observatory, United States Geological Survey (USGS) Astrogeology Science Center, United States Naval Observatory, and the Naval Research Laboratory, as well as the Discovery Channel Telescope (DCT) and the Naval Precision Optical Interferometer (NPOI), all in or near Flagstaff. This program also capitalizes on the wide range of nearby geologic environments (including Meteor Crater) to enable terrestrial and analog planetary science investigations. Programme Structure Courses include: Spectroscopy Planetary Science Astrochemistry Dissertation Admission requirements Academic requirements GPA: 3 English requirements Duolingo English Test: 95 TOEFL iBT: 80 PTE Academic: 56 IELTS: 6 Other requirements General requirements Transcripts. Undergraduate degree from a regionally accredited institution with a 3.0 GPA on a 4.0 scale ("A" = 4.0), or the equivalent. A statement of interest describing why you are applying to NAU as well as your professional interests and goals A scientific/technical writing sample such as a senior thesis, MS thesis, major course paper or professional report demonstrating your analytical and writing skills Three letters of recommendation from people who know you well A current Curriculum Vitae Tuition Fees Tuition fees are shown in AUD and the most likely applicable fee is shown based on your nationality. International (Non-residents): 45,203 AUD / year ≈ 32,190 USD / year Out-of-State: 45,203 AUD / year ≈ 32,190 USD / year Domestic (In-State): 18,166 AUD / year ≈ 12,936 USD / year Living costs Flagstaff, United States – 1,418-2,106 AUD / month The living costs include the total expenses per month, covering accommodation, public transportation, utilities (electricity, internet), books and groceries. Funding Scholarships: Below you will find PhD's scholarship opportunities for Astronomy and Planetary Science.


