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

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If gravity causes time dilation, wouldn't deep gravity wells create their own red-shift? How do astronomers distinguish close massive objects from distant objects?

3111 upvotes

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The stomach contains very strong acids, so why does eating acidic food cause discomfort?

5 upvotes

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Why do we see dark matter at a Galactic scale, but not in the orbits of planets?

1 upvotes

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What are the effects of gravitational waves close to a black hole or neutron star collision?

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Why should hawking radiation cause a black hole to evaporate?

1 upvotes

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Why does Hawking radiation cause a net loss of mass to a black hole?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
If gravity causes time dilation, wouldn't deep gravity wells create their own red-shift? How do astronomers distinguish close massive objects from distant objects?	3111
The stomach contains very strong acids, so why does eating acidic food cause discomfort?	5
Why do we see dark matter at a Galactic scale, but not in the orbits of planets?	1
What are the effects of gravitational waves close to a black hole or neutron star collision?	1
Why should hawking radiation cause a black hole to evaporate?	1
Why does Hawking radiation cause a net loss of mass to a black hole?	1