Doctor of Philosophy in Astrophysical Sciences - Interstellar Medium
普林斯顿大学
QS排名:22
国际学生入学条件
All official Transcripts. A bachelor's degree or its foreign equivalent from an accredited college or university. Official transcripts of your grades. Three letters of recommendation. Applicants are required to upload a transcript (may be unofficial at this time) including the key from all attended colleges or universities.The transcript must show the name of the student, name of the issuing institution, name of courses taken, and the grades received in those courses. The Graduate School does not have a minimum TOEFL or IELTS score requirement. If you are offered admission and accept our offer and have scored below a 27 on the Speaking sub-section of the TOEFL iBT or below an 8.0 on the Speaking sub-section of the IELTS you will be required to take an English placement test at the start of the fall term. Students who do not pass the test will be required to enroll in English Language Program classes.
GRE :
General Test optional/not required, Physics Subject Test optional/not required
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雅思考试总分
6.0
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- 雅思总分:6
- 托福网考总分:60
- 托福笔试总分:160
- 其他语言考试:NA
课程简介
Princeton has a tradition of research on the interstellar medium -- gas, dust, cosmic rays, and magnetic fields -- beginning with the pioneering work of Lyman Spitzer. Theory and observation have always gone hand-in-hand. Areas of research include the Interstellar Gas: Absorption-line spectroscopy of interstellar gas started with the Copernicus satellite, which carried out spectroscopy in the vacuum ultraviolet from 1972 to 1980. Later, observations at much higher wavelength resolution were provided by the IMAPS instrument that flew on two Shuttle missions in the 1990s. Current work in the ultraviolet includes studies of interstellar abundances, pressures, and high-ionization species such as OVI using data from spectrographs on FUSE and HST (Bowen, Draine, Jenkins).
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