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Chapter 1 Our Place in the Universe © 2014 Pearson Education, Inc. What is our place in the universe? © 2014 Pearson Education, Inc. Sun • A large, glowing ball of gas that generates heat and light through nuclear fusion © 2014 Pearson Education, Inc. Planet Mars Neptune • A moderately large object orbiting our sun, shining by reflected sunlight. Planets may be rocky, icy, or gaseous in composition. © 2014 Pearson Education, Inc. Moon • An object orbiting a planet. Ganymede (orbits Jupiter) © 2014 Pearson Education, Inc. Asteroid • A relatively small and rocky object orbiting our sun. © 2014 Pearson Education, Inc. Comet • A relatively small and icy object orbiting our sun. © 2014 Pearson Education, Inc. Solar System • Our sun and all the material that orbits it, including its planets and moons. © 2014 Pearson Education, Inc.
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