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According to the finding of the Kepler spacecraft, what percentage of stars in the Milky Way...

According to the finding of the Kepler spacecraft, what percentage of stars in the Milky Way have at least one planet of any size?

Group of answer choices

10%

35%

50%

70%

Science   Advanced-Physics   
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This question is based on the result of an analysis of a journey to find earth-sized planets, managed by NASA.

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