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The top documents tagged [clyde tombaugh slide]
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clyde tombaugh slide
Ednilson Oliveira. Sol Os planetas no mundo antigo.
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Dwarf planets, asteroids and comets Max Mutchler Research and Instrument Scientist Space Telescope Science Institute STScI Public Lecture December 2, 2008.
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2 There are 200 billion stars in our galaxy… …one of them is our Sun.
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