The Universe
Created by ftbrady
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study of the universe
astronomy
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tool astronomers use to explore the universe
telescope
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type of telescope Galileo made
refracting
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1 of 88 regions of the sky; pattern or design made by a group of stars
constellation
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smaller pattern of stars within a constellation
asterism
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another name for the North Star
Polaris
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huge collection of stars, dust, and gas
galaxy
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large cloud of gas & dust that can be seen in a galaxy
nebula
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first stage in the life cycle of a star
protostar
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what causes stars and constellations to appear to move at night
Earth rotating on its axis
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3 things that determine what stars are visible in night sky
location of Earth; time of year; time of night
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what is the name of our galaxy
Milky Way Galaxy
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what is the shape of our galaxy
spiral
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what are the shapes of galaxies
elliptical; irregular; elliptical
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an example of main-sequence star
sun
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an example of asterism
Big Dipper
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an example of a galaxy
Whirlpool (M51)
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an example of a constellation
Ursa Minor