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What Has New Horizons Taught Us About Pluto?
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Key Facts In This Video
The New Horizons launch was the fastest spacecraft launch in history. 00:54
Pluto's famous "heart" is called Tombaugh Regio after the astronomer who discovered Pluto in 1930. 02:17
Pluto gets its brownish-red color from compounds called tholins. 03:39
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