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Astronomy 1.1 Word Scramble

 
 


 

 
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Question Answer
Showed that planets and moons stay in orbit due to gravitySir Isaac Newton
was one of the first perons to use a telescope to observe celestial bodiesGalileo Gallilei
developed a theory of a sun-centered universeCopernicus
stated that planets move in elliptical orbits around the sunJohannes Kepler
used a mural quadrant to measure the positions of planets and starsTycho Brahe
developed a theory of an Earth-centered universe in 140 CEPtolemy
proved the existenc ot galaxies other than the Milky WayEdwin Hubble
the time required for the Earth to orbit once around the sunYear
roughly the amound of time required for the moon to orbit once around the EarthMonth
the time required for the earth to rotate once on its axisDay