1) How many planets are there in our solar system? a) 8 b) 9 c) 10 2) Which planet is the closest to the Sun? a) Saturn b) Mercury c) Uranus 3) Which planet is the farthest from the Sun? a) Earth b) Venus c) Neptune 4) What are the small planets in our solar system called? a) dwarf planets b) elf planets c) monster planets 5) How old is our solar system? a) 4.6 billion years b) 3.6 billion years c) 4.6 million years 6) What is the name of the galaxy where our solar system is located? a) Watery Way galaxy. b) Milky Way galaxy. c) Wine Way galaxy. 7) What is the center of our solar system? a) the Sun b) the Moon c) Earth 8) Which planets in our solar system don't have moons orbiting them? a) Mercury and Saturn b) Mercury and Venus c) Mercury and Mars 9) Which planet is the biggest in our solar system? a) Neptune b) Uranus c) Jupiter 10) Which planet is the smallest in our solar system? a) Mercury b) Mars c) Earth 11) Which planet has rings? a) Venus b) Saturn c) Uranus 12) Which planet was named after the Roman god of war? a) Mars b) Jupiter c) Mercury 13) What is the name of Earth's natural satellite? a) the Moon b) the Sun c) Neptune

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