/u/Vufur's posts in /r/askscience

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I read that the observable universe got around two trillion galaxies in it. But if the universe is infinite, does that mean that this "observable universe" is only one of the infinite little piece of universe and that theorically, there is an infinite number of galaxies ?

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How can a fluorescent colored surface can send more light that a white surface ?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
I read that the observable universe got around two trillion galaxies in it. But if the universe is infinite, does that mean that this "observable universe" is only one of the infinite little piece of universe and that theorically, there is an infinite number of galaxies ?	1
How can a fluorescent colored surface can send more light that a white surface ?	1