08. How long is a year on Mercury? (A K2S Question)

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One year on Mercury is 87 Earth days. Mercury moves so fast around the Sun that it only takes three Mercury days (axis spins) for two Mercury years (trips around the Sun) to pass!

Answer provided by Laura Peckyno & Robert Peckyno


Image:K2S logosmall.jpg Question and Answer extracted from the book Kids to Space - by Lonnie Schorer


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