1) What is the natural satellite of the Earth? a) the sun b) none c) the moon 2) What's in the center of the solar system? a) the moon b) the sun c) the earth 3) Which is the smallest planet in the solar system? a) Venus b) Earth c) Mercury 4) Which is the hottest planet in the solar system? a) Venus b) Mercury c) Earth 5) Which is the closest planet to the sun? a) Mercury b) Venus c) Earth 6) What causes the rotation movement? a) day and night b) seasons c) nothing 7) Pluto is a planet. a) True b) False 8) Which planet is known as the Red Planet? a) Jupiter b) Mars c) Saturn d) Neptune 9) How many planets are there in our solar system? a) Seven b) Eight c) Nine d) Ten 10) What is the name of the galaxy we live in? a) Andromeda b) B) Whirlpool c) Milky Way d) Sombrero 11) What is a comet made of? a) Gas and dust b) Iron and nickel c) Molten lava d) Ice, dust, and rocky material 12) Who was the first person to walk on the Moon? a) Neil Armstrong b) Yuri Gagarin c) Buzz Aldrin d) Michael Collins 13) What is the name of the spacecraft that landed the first humans on the Moon? a) Apollo 13 b) Voyager 1 c) Apollo 11 d) Pioneer 10 14) What is the name of the telescope that orbits the Earth and has taken many famous pictures of space? a) Hubble Space Telescope b) Spitzer Space Telescope c) James Webb Space Telescope d) Kepler Space Telescope 15) Who formulated the laws of motion and universal gravitation? a) Albert Einstein b) Isaac Newton c) Galileo Galilei d) Johannes Kepler 16) What is the term for a star that has exploded? a) Nebula b) Black hole c) Supernova d) Quasar 17) Which planet has the most moons? a) Earth b) Mars c) Jupiter d) Saturn 18) What is the Milky Way made up of? a) Only stars b) Stars, planets, gas, and dust c) Only planets d) Only gas and dust 19) What is the name of the dwarf planet located in the asteroid belt? a) Eris b) Ceres c) Haumea d) Pluto 20) Which planet is known as Earth's twin? a) Venus b) Mars c) Jupiter d) Neptune

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