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OTD In Space – February 18: Pluto Discovered By Clyde Tombaugh

OTD In Space – February 18: Pluto Discovered By Clyde Tombaugh

On February 18, 1930, the American astronomer Clyde Tombaugh discovered Pluto! Before he discovered Pluto, another astronomer named Percival Lowell had spent over a decade trying to find it. He had theorized that a ninth planet existed based on wobbles seen in the orbits of Uranus and Neptune. But it wasn't until Tombaugh started using a new ...

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The Exploration of Pluto

The Exploration of Pluto

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Pluto Exploration I

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Pluto Exploration II

Pluto Exploration II

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Pluto discovered 2-18-1930

Pluto discovered 2-18-1930

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'Exotic Ice Formations' On Pluto Discovered Using New Horizons...

'Exotic Ice Formations' On Pluto Discovered Using New Horizons...

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98.5 SPL - PREVIOUSLY RECORDED: New Pluto Discovered...

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Pluto Facts

Pluto Facts Display Poster

Pluto Facts Display Poster

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Pluto: Facts - NASA Science

Pluto: Facts - NASA Science

5 Facts About Pluto

5 Facts About Pluto

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