天体生物学是研究宇宙生命起源，演化，分布和未来的学科。
Astrobiology is the study of the origin, evolution, distribution and future of life in the universe.
长期以来，天体生物学家不知道地球的生命为什么会在39亿年前演化的如此之快。
Astrobiologists have been continually surprised by how quickly life evolved on earth-within 600 million years after the planet's formation, or about 3.9 billion years ago.
课程：天体力学，宇宙学，恒星物理学，星系演化，类星体，恒星的分布和运动，星际介质。
Students will complete courses in: celestial mechanics. cosmology. stellar physics. galactic evolution. quasars. stellar distribution and motion. and interstellar medium among possible others.
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