Graduate Application for Admission

Thank you for your interest in graduate studies at LPL! Please review the information on this page regarding application requirements and procedures. A link to the online application is available below. Should you have any questions, please contact us at 520.621.2828 or at

Program Areas

The department offers multidisciplinary programs leading to the Doctor of Philosophy degree with a major in planetary sciences. Areas of specialization include, but are not restricted to, the experimental, observational, and theoretical study of planetary atmospheres; the interiors of planets and planetary satellites; asteroid and cometary astronomy and physics; meteoritics; problems of plasma physics associated with cosmic rays; the solar wind and its interaction with solar system bodies; celestial dynamics; solar physics; and investigations of the formation of the solar system and other planetary systems.


Application Criteria

Applicants should have completed an undergraduate major in a physical science such as astronomy, atmospheric sciences, chemistry, geology, mathematics, or physics. However, admission is based on the overall demonstrated capability and preparation of the applicant. Information about the program and completion requirements is available here:


How to Apply

The department does not offer Spring admission. For full consideration, applications for the Fall term should be received by midnight on December 6. Only complete applications will be considered. Applicants are expected to have strong preparation and exceptional academic achievement in physical or mathematical science. The Admissions Committee uses transcripts, GRE scores, and letters of recommendation to evaluate applicants. Most admitted students are awarded financial support in the form of research or teaching assistantships.


  1. Prospective students must complete an application to the University of Arizona Graduate College as well as to the Department of Planetary Sciences. These applications are combined into one online application, which is accessible here. There is an application fee.
  2. The Department of Planetary Sciences has an application deadline of midnight on December 6. This applies to both DOMESTIC and INTERNATIONAL students.
  3. Prospective students must supply the following information directly to the Department of Planetary Sciences:
  • Graduate Record Examination (GRE) scores for the verbal, analytical, and quantitative sections. You must request that the Education Testing Service send your official scores directly to the Department of Planetary Sciences. The University of Arizona institution code is 4832; specify department as “Planetary Sciences”----this code is 4912. Upload score report/scores to online application.
  • Official transcripts from all colleges and universities you have attended; upload to online application.
  • At least three letters of reference; uploaded to online application by letter writers.
  • International students must submit TOEFL scores as appropriate. Information regarding English proficiency requirements is online here and here. The department reserves the right to require higher scores than those required for admission or for serving as an RA or TA.
  • All students are encouraged to submit a FAFSA (Free Application for Federal Student Aid). The University of Arizona Federal School Code is 001083. Information about the FAFSA and related deadlines is here.

You may submit supporting paper materials to:


Graduate Admissions and Advising Coordinator
Department of Planetary Sciences 
Kuiper Space Sciences Building 
1629 E. University Blvd. 
P.O. Box 210092 
The University of Arizona 
Tucson, AZ 85721-0092 
(520) 621-6954 
FAX: (520) 621-4933