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The Planet Pluto: Maligned but Not Forgotten

Dr. Dale CruikshankNovember 8, 2006

Dr. Dale Cruikshank (NASA Ames)

Listen (mp3 file, 20.3 MB)

Dr. Cruikshank reviews what we knew about Pluto (including its atmosphere, of which he was the co-discoverer), why Pluto was re-classified as a dwarf planet in the fall of 2006, and what the New Horizons spacecraft may reveal about this distant world in the next decade.