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What is Universe ?
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Universe is a huge space which contains everything that exists. The width or extension of universe is about 100000 light years. The distance between the earth and sun is measured in astronomical unit. 1AU = 1.5*1011m. The distance travelled by the light in one year is called light year.
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Answer:
universe is an infinite number of galaxy
Explanation:
we dosent know where it stop
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