Mercury is the correct answer.
Mercury has a very extreme temperature variations. Very dry, and almost airless.
This planet has the slowest rotation on its axis: a day on this planet last 176 Earth days.
Mercury has no moons.
Mercury is the fastest moving planet in our Solar System.
To learn more about Mercury please click on the links below:
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After you have finished exploring Mercury, click the rocketship below and try the next question!
