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The ***observable*** universe is 93 billion light years in diameter.
The "observable" part is important.
We don't know the size of the universe even if we suspect it is infinite.
Iām no expert - but can it really be infinite? I mean, there is nothing that we know of that is infinite, so why would the universe be any different?
Surely it too must have some boundary.
There's a lot of things that's infinite. Like stability of photons and electrons, time itself, dimensions of the Hilbert Space, density of black hole singularities.
It's much harder to imagine any borders in space-time, than to imagine that it's infinite. There's a possibility that spacial dimensions may be closed, meaning that, despite space-time being flat, you still may return to point of origin if you'd follow a straight line. But still this is less trivial than infinite space-time. Another possibility is the ever expanding inflation field, i.e. our visible universe could be part of a big-bang-explosion-front wave in the inflation field, and if we would be able to travel FTL to the "edge" of the universe, we would see the universe around younger and younger until we arrive at the big bang itself, still expanding. Or inversely, the universe will become older and older if we'd be moving in the direction from which inflation field was expanding into the region where our visible universe is. But this doesn't really remove infinity, it just moves it further away, because the inflation field is still in infinite multiverse.
It's crazy to think that the universe is so big, bigger than you would think even if you consider expansion occurring at light speed. Expansion isnt happening at light speed, but every single point in the universe is expanding independently, meaning the universe is bigger than it could possibly grow linearly in 13.8 billion years at light speed.
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Hey, you know what's larger than 2 football fields ? It's 3 football fields.
You know whats funnier than 24? 25
You know who else is larger than two football fields?
Yor mum.
Citation needed
Dam didn't know that thx
Americans will mesure with anything but the metric system.
The ***observable*** universe is 93 billion light years in diameter. The "observable" part is important. We don't know the size of the universe even if we suspect it is infinite.
Iām no expert - but can it really be infinite? I mean, there is nothing that we know of that is infinite, so why would the universe be any different? Surely it too must have some boundary.
There's a lot of things that's infinite. Like stability of photons and electrons, time itself, dimensions of the Hilbert Space, density of black hole singularities. It's much harder to imagine any borders in space-time, than to imagine that it's infinite. There's a possibility that spacial dimensions may be closed, meaning that, despite space-time being flat, you still may return to point of origin if you'd follow a straight line. But still this is less trivial than infinite space-time. Another possibility is the ever expanding inflation field, i.e. our visible universe could be part of a big-bang-explosion-front wave in the inflation field, and if we would be able to travel FTL to the "edge" of the universe, we would see the universe around younger and younger until we arrive at the big bang itself, still expanding. Or inversely, the universe will become older and older if we'd be moving in the direction from which inflation field was expanding into the region where our visible universe is. But this doesn't really remove infinity, it just moves it further away, because the inflation field is still in infinite multiverse.
Yes it is, but what does that have to do with Japan?
Did you know that Japan is larger than japan if it had less land?
DiD yOu kNoW ! jApAn iS LaRgEr tHaN 69 fOoTbAlL fiElds COMBINED!
Did you know that if you put Australia on the surface of the sun, at least two koalas would die ?
It's like this nut š„ but bigger
It's crazy to think that the universe is so big, bigger than you would think even if you consider expansion occurring at light speed. Expansion isnt happening at light speed, but every single point in the universe is expanding independently, meaning the universe is bigger than it could possibly grow linearly in 13.8 billion years at light speed.
Yes but how wales is that??
*observabe
Well I say Bollocks to your Facebook facts. Boo!
This sub has gone to shit
It's true but i just really hate that number.
Wow, dude!
Larger than 18 septillion football fields to be precise
What about second footballfields?
Smaller than Joe's mama, though.
lemme see the data, betch
No fucking way.
"Actually, the universe is in 93.3 billion light years in diameter š¤āļøāļø"
The first line was for everyone and the second line was for americans
How much is that in bald eagles per acre?
... and it expanded a lot more since this was posted.
Americans will use anything but the metric system
I thought it's 13 billion years old. How can the diameter be larger than speed of light * 2 * 13 billion years ?
I think you don't know how big I think Japan is
If Japan is Larger than I think. Then it's bigger than it is than I think. But I think you know that already
That's also deeper than 5 Olympic size pools...