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Our Solar System Name___________________________________ 1. 2. 3. How many moons does the Earth have?  one  three  two  four How long does it take for the Earth to orbit the Sun?  One day  One month  One week  One year Which planet in our Solar System is the largest?   4. Andromeda Milky Way 30,000 miles 4,567,900 miles Comet Sunflower   238,854 miles 857,832 miles  9  8  10 Which of the following is no longer considered a planet? Mars Mercury   Pluto Venus  What is the main force that causes the planets to orbit?   Energy Gravity    Wind Orbital Force  What year was the first telescope invented?   1806 1910  10.   7  9. Mars    8. Jupiter How many planets are in our Solar System?  7. Earth   How far away is the moon from Earth?   6. Saturn What is the name of the Galaxy we live in?   5. Date_____________________   1608 1760  Which of the following does the solar system revolve around?   Moon Earth   Sun Mars