8.8 DE Origin or the Universe and Light Years
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Light Year | a unit of length equal to the distance light travels through space n one year.
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| ScientificTheories | unifying scientific explanations for a broad range of hypotheses and observations that have been supported by scientific evidence
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| Origin | the place or form from which something comes or is derived
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| Universe | all space and the matter space contains
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| Big Bang Theory | a theory that days that the universe began as a small point that expanded rapidly about 13.7 billion years ago
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| Red Shift | occurs when a light source moves away from an observer
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| Blue Shift | occurs when a light source moves toward an observer
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| Oscillating Theory | the theory that states the universe will continue to expand and contract in a cycle, forever
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| Big Crunch Theory | the theory that states the expansion of space will eventually reverse and will recollapse, ultimately causing the cosmic scale factor to reach zero or cause a reformation of the universe with another "bang"
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| Evidence that Supports the Big Bang Theory | red shift and the Cosmic Microwave Background radiation
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Created by:
kendra.young
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