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What is the surface temperature of Mercury? How many known satellites does Neptune have? What is the Kuiper Belt? Are there other dwarf planets besides Pluto?..... Answers to these and other questions about our solar system can be found in this jam-packed 2-panel (4-page) guide...... Comprehensive, up-to-date facts—as well as full-color illustrations—about planets and other solar system objects are featured in our easy-to-use format. Topics covered include:..... • What Is Our Solar System? .. • Essential Terms .. • What Else Orbits the Sun? .. • What Does the Sun Orbit?.. • What Is a Planet/Dwarf Planet? .. • Planet & Solar System Object Facts.. • Astronomical Units.. • Comparing Planets .. • Gravity & Weight.. • The Earth/Sun Relationship.. • And more!

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