Top: Kids and Teens: School Time: Science: Astronomy and Space: Solar System: Mercury (4)
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Astronomy for Kids: Mercury - Provides details related to location, visibility, size, origin of its name and surface.

KidsAstronomy.com: Mercury - Explains the origin of its name in Greek mythology and provides details about its gravity and its moons.

Astro Kids: Mercury - Provides details about its size, its movement, its atmosphere and its surface.

Astronomy For Kids: Mercury - Includes a picture and brief facts about this planet.