NIRPL

NIRPL t1_j6nxhmx wrote

Reply to comment by DoctorKokktor in ELI5 why time slows down as you go faster by -cool--beans-

Thank you for explaining!

Regarding the non-euclidean geometries link, the images describing elliptical Euclidean and hyperbolic lines, why is the identified 90° angle significant? Or is that the point? Regardless of bend, we can assume a 90° angle will exist?

If I'm completely off-base with my question and wasting your time, feel free to say so lol

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NIRPL t1_j48p2dy wrote

Reply to A team of physicists devises a model that maps a star's surprising orbit about a supermassive black hole. When a star passes within a certain distance of a black hole - close enough to be gravitationally disrupted - the stellar material gets stretched and compressed as it falls into the black hole. by MistWeaver80

I'm genuinely curious. Why is this phenomenon not obvious? Wouldn't it be expected to see the materials "stretch" as they are pulled away and then compress as they get closer to the gravity of the black hole?

Or is the compression weird, as in the material should have stayed in the stretched state and not compress at all? Maybe this is a situation where researchers never had the tools to prove their theory until now?

I hope my questions made enough sense to get some solid feedback

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