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

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The larger a black hole is, the more dense it is. If the universe was infinite and uniformly dense, does that mean it would necessarily have to exist within a black hole?

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Is how happy or sad a cat or dog looks on its face indicative of it actually being happy or sad?

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So, photons move at c with respect to anything. But, they don't have reference frames, so is it correct to say that anything moves at c with respect to a photon, or is that a meaningless statement?

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What particles do physicists think Hawking radiation consists of?

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What are the units on the x and y axis in this graph of color gamut?

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When your car is in gear, but not moving, and the brake is on, where does the energy from the motor go?

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If the curvature of space works so well as an explanation for gravity, what is the motivation for a theory of a graviton? Are there any holes in the theory of gravity being due to the curvature of space?

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Do most solar systems lie on a plane parallel to the galactic plane? If not, why?

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Excercise balls as chair: better for you, or bullshit?

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Probably a stupid question - is there anything that is wet that is not a liquid, or anything that is a liquid yet is not wet?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
The larger a black hole is, the more dense it is. If the universe was infinite and uniformly dense, does that mean it would necessarily have to exist within a black hole?	1
Is how happy or sad a cat or dog looks on its face indicative of it actually being happy or sad?	1
So, photons move at c with respect to anything. But, they don't have reference frames, so is it correct to say that anything moves at c with respect to a photon, or is that a meaningless statement?	1
What particles do physicists think Hawking radiation consists of?	1
What are the units on the x and y axis in this graph of color gamut?	1
When your car is in gear, but not moving, and the brake is on, where does the energy from the motor go?	1
If the curvature of space works so well as an explanation for gravity, what is the motivation for a theory of a graviton? Are there any holes in the theory of gravity being due to the curvature of space?	1
Do most solar systems lie on a plane parallel to the galactic plane? If not, why?	1
Excercise balls as chair: better for you, or bullshit?	1
Probably a stupid question - is there anything that is wet that is not a liquid, or anything that is a liquid yet is not wet?	1