NASA chief wants Pluto back as planet
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The celestial body’s status as the solar system's ninth planet was withdrawn in 2006. Now some experts say we might want to ...
The head of NASA says maybe Pluto is a planet after all. He is wrong because Pluto is part of the rest of the solar system ...
Astronomers now estimate there is at least one planet for every star in our galaxy. These worlds, called exoplanets, are ...
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