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1.The __________ ___________ designates the beginningof space. It is an imaginary line used for the purposesof space treaties and record keeping. State Line Karman Line Space Line Space treaty 2. At what altitude does space begin? 100 Kilometers 50 Kilometers 690 Kilometers 10,000 Kilometers 3.One Astronomical Unit (1 AU) is: The distance from the sun to Pluto A huge, un-measurable value Roughly the distance from the Earth to the Sun. The distance light travels in a year. 4.One astronomical unit (1 AU) is about: 1 million Miles 1 million Kilometers 93 million Kilometers 149.6 million Kilometers 5.The Kuiper Belt is found between Mars and Jupiter. True False 6.What is the name of the space shuttle that explodedduring take off? All astromauts lost their livesincluding one teacher. Columbia Opportunity Challenger Discovery 7.What is the name of the space shuttle that disintegrated (broke apart) over Texas as it returnedfrom space? Columbia Challenger Discovery Spirit |