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Our Glaciers: Then and Now activity kit helps you see the changes taking place in glaciers around the world. See all our activity kits and classroom activities.

Solar System Coloring Book--Pluto

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Distance from Sun: 3,666,000,000 miles

Diameter: 1,423 miles or about 1/5 the diameter of the Earth

Number of moons: 1

Length of a year: 90,800 Earth days (about 249 Earth years)

Temperature: ~-365F

Pluto is a ball of frozen gas, possibly with a rocky core. This drawing shows what the surface may be like.

Pluto lost its planet status in 2006 and was classified as a dwarf planet. It is one of the largest members of a class of icy spheres known as Kuiper Belt Objects. Pluto's moon, Charon, is almost as big as Pluto.

Other Coloring Books:

Sun | Mercury | Venus | Earth | Mars | Asteroids | Jupiter | Saturn | Uranus | Neptune | Pluto | Comets

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Learn about Earth and space science, and have fun while doing it! The games section of our online store includes a climate change card game and the Traveling Nitrogen game!

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Traveling Nitrogen Classroom Activity Kit

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Windows to the Universe, a project of the National Earth Science Teachers Association, is sponsored in part by the National Science Foundation and NASA, our Founding Partners (the American Geophysical Union and American Geosciences Institute) as well as through Institutional, Contributing, and Affiliate Partners, individual memberships and generous donors. Thank you for your support! NASA AGU AGI NSF