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/sci/ - Science & Math

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5750042 No.5750042 [Reply] [Original]

Why do people say the universe is endless?

>> No.5750058

bump.

>> No.5750059

because it has no end

>> No.5750065

>>5750059
And how do you know this?

>> No.5750075

The Universe isn't endless. It's flat in terms of shape and it is expanding

>> No.5750078

>>5750075
will it expand to a boundary do you think?

>> No.5750082

>>5750078
there is no indication of a boundary as yet, there's not even any idea of a mechanism that could cause this

>> No.5750089

>>5750042

The universe is finite.

Because it's expanding, there is a cosmological event horizon at its boundary that we can never cross.

For all we know, we could be inside an unbelievably massive black hole and experience the altered dynamics as the apparent expansion of space.

>> No.5750109

>>5750089
I thought inside a black hole would just be a tiny ball of crushed up atoms though?

>> No.5750113

>>5750089
lol, no

A boundary wouldn't make sense. It would only complicate things. It can be finite or infinite. If it is finite, it is likely boundless.

>> No.5750120
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5750120

>>5750089
>For all we know, we could be inside an unbelievably massive black hole and experience the altered dynamics as the apparent expansion of space.

>> No.5752032

>>5750109
Is this right? like atoms go into the gravity and it is so strong that it breaks it down into electrons and stuff or it's even stronger and breaks it down into the little things inside elctrons or protons or what ever they are i just woke up if i sound totally retardec that's why i'll review this after a coffee.

>> No.5752113

>>5750120
But he's right though. Do you know what happens in a black hole?

>> No.5752124

>>5752113
>>5752032
this?

>> No.5752151

>>5750109

[Maybe]-Correct. One of the most common concepts for a black hole is a huge sun whose remnants (Post super-nova) collapsed into an ultra dense sphere. The mass of a neutron or a proton is huge for it's size, so if all the space was removed between atomic nuclei, you would have something immensely small (Say, Earth sized) with a collective mass of something hundreds to millions of times larger than our own dainty sun. Because so much mass exists in such a small area, it can even bend light. What is predicted is that anything that goes beyond the even horizon just sticks to the immense gravitational pull of the black hole (That would literally tear your atoms apart) and you join with this sun, Katamari style.

What I'm saying is, is that blacks holes are massive katamari.

>> No.5752169

>>5752151
Yeah that's what I was thinking I just don't know the words to use very well.

>> No.5752196
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5752196

Muh recursion

>> No.5752208

>>5752196
Shine a laser down it.

>> No.5752240

>>5752208
I've always wondered what happens if you arrange several magnifying glasses in a circle and shine light through it?

>> No.5752249

>>5752240
Try it.

>> No.5752259

>>5752249
I'm afraid.

>> No.5752271

>>5752259
Don't be afraid, buy some cheap magnifying lens and set them up together.

I'll do it next time I have some spare cash if you don't.

>> No.5752273

>>5752249
May 11, 2013
The world ends as an anon unwittingly uncovers the secret to a true DeathBeam

>> No.5752277

because we can't prove it isn't?

>> No.5752281

>>5752277
You can't prove it is though.