Add Yahoo as a preferred source to see more of our stories on Google. Once the quirky underdog of our solar system, Pluto held planetary status until 2006, when it got a cosmic demotion that still ...
Once the quirky underdog of our solar system, Pluto held planetary status until 2006, when it got a cosmic demotion that still stings space fans. Discovered in 1930, Pluto was the ninth planet for ...
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