Pluto and the Outer Solar System [01:15:25]
@ Museum of Science (2007-04-11)
tags: astronomy solarsystem [add tags]
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From the WGBH Forum Network: "Even after Pluto was discovered in 1930, astronomers continued their search for an elusive tenth planet. Decades of exploration coupled with advances in technology led to the discovery of icy objects more distant and sometimes even larger than Pluto. What are these objects that dwell in the outer solar system? How do they compare to Pluto?"
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