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

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If a major portion of the stars we've seen are billions of light-years away, then why are we mapping the universe out? Isn't the star and/or galaxy dead and gone or different somehow?

8 upvotes

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Would it be possible to film a four dimensional object occupying and moving in four dimensions? If so, could we properly view that video?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
If a major portion of the stars we've seen are billions of light-years away, then why are we mapping the universe out? Isn't the star and/or galaxy dead and gone or different somehow?	8
Would it be possible to film a four dimensional object occupying and moving in four dimensions? If so, could we properly view that video?	1