1) Planets.... a) are around celestial bodies that orbit the Sun. b) are made of ice dust and gases. c) are rocks that orbit the Sun 2) The universe is made up of.... a) rocks and ice b) solar systems, galaxies, planets and stars. c) gases 3) Bing Bang is the name of a) a theory b) a story c) a TV serie 4) a contellation is... a) a big ball of gas b) a huge collection of stars that form a pattern in the sky c) a huge collection of stars, dust and gas held together by gravity 5) Stars are... a) big balls of gas b) a huge collection of stars that form a pattern in the sky c) a group of stars, dust and gas held together by gravity 6) galaxy is... a) big balls of gas b) a huge collection of stars that form a pattern c) a huge collection of stars that form a pattern in the s

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