Christopher Chyba is an American astrophysicist and a professor known for his work in planetary science, astrobiology, and the search for life beyond Earth. He has been associated with institutions such as Princeton University and has contributed to discussions on the implications of extraterrestrial life, planetary defense, and the ethical considerations surrounding space exploration. Chyba is also noted for engaging in public discussions about science policy and the importance of scientific research in understanding the universe.
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