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

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Why is it difficult to change people's minds?

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As I understand, gravity bends light, and high-gravity phenomena (black holes) cause dramatic light-bending effects. Would it be possible to look near a black hole and see light emitted from our own solar system millions of years ago?

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Could a black hole be used like a cosmic "mirror"?

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How much force/energy would be required to cause Alpha Centauri A and B to collide?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Why is it difficult to change people's minds?	1
As I understand, gravity bends light, and high-gravity phenomena (black holes) cause dramatic light-bending effects. Would it be possible to look near a black hole and see light emitted from our own solar system millions of years ago?	1
Could a black hole be used like a cosmic "mirror"?	1
How much force/energy would be required to cause Alpha Centauri A and B to collide?	1