1) What does revolve mean? a) move in a straight line b) move in a circular orbit around 2) Does the earth orbit around the sun? a) yes b) no 3) What do astronmers study? a) astronaughts b) living things c) stars, outer space, planets 4) Was Galileo an astronomer? a) yes b) no 5) What do telescopes do? a) help people see things up close b) help people see big things 6) What does observation mean? a) to wonder  b) to think c) to see 7) What is a mission? a) important task b) silly task c) a movie 8) What do sattelites do? a) nothing b) revolves around, a larger object in space. c) sit in outerspace 9) what does lunar mean? a) crazy b) moon c) loose 10) What does ascent mean? a) to go up b) to go down 11) What does descent mean? a) to go up b) to go down 12) What happens if something malfunctions? a) it works b) its explodes c) it fails 13) What are constellations? a) group of stars b) group of people c) group of animals

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