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Learn about planets outside our solar system through Exoplanets and Alien Solar Systems by Tahir Yaqoob, Ph.D., a book in our online store book collection.

Solar System Coloring Book--Mars

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Distance from Sun: 142,000,000 miles

Diameter: 4,194 miles or about half the diameter of Earth

Number of moons: 2

Length of year: 687 Earth days

Temperature: -266°F to -62°F

Mars is mainly made of rock, with a metallic core.

Mars is the fourth planet from the Sun, and is about half as big as Earth. Mars is covered with red rocks, and has white ice caps at the poles. There are huge volcanoes and lots of craters on the surface. Some scientists think they may have found evidence that primitive life forms existed on Mars long ago. There is no life known to exist on Mars today.

Other Coloring Books:

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

Shop Windows to the Universe Science Store!

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