Astronomer, planetary scientist, cosmologist, astrophysicist, astrobiologist, science communicator, author, and professor. Known for research on the possibility of extraterrestrial...
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Astronomer, planetary scientist, cosmologist, astrophysicist, astrobiologist, science communicator, author, and professor. Known for research on the possibility of extraterrestrial life, assembly of the Pioneer plaque and the Voyager Golden Record, and advocating for the greenhouse effect hypothesis on Venus.
