I've been absorbing documentaries and other data about cosmology for over 10 years, and now I'm stucked with a question, which AFAIK, might be the limit of our current knowledge about the Universe.
For a long time I was certain that the "Big Bang" was pretty much a big explosion. At first there was a "singularity" (pretty much an infinitely small geometrical point, no idea why or what went there, possibly something from another dimension) of near infinite density and energy, that "blew up" and created Space, Time, Weak Nuclear & Strong Nuclear fundamental forces that rule everything we can observe. I can understand that. Also the recent "Dark Matter / Dark Energy" discoveries show that, unlike what we could expect, the "bubble" of matter created by the Big Bang won't collapse after the initial momentum is depleted, but will continue to expand forever (as it seems that on a huge scale, "void" between objects pushes them further away more than Gravity can attract them). I can conceive that too, the Universe we know might end "spaghettified" by a slow but infinite acceleration. OK, fair enough.
But now comes the trouble.
1. Astrophysicists say that the Universe is like 13.7 billions years old. Beyond that is the "Planck Wall", which is a bit like an "inverted black hole event horizon" to me, and that is anyways quite close from the Big Bang "t0" instant.
2. Light speed is a constant, and everything we look at is actually "delayed". Even the Moon image we see in the sky is like 1 second old. And I don't take into account what happens between our retina and our brain vision, memory and "get everything together" centers, which takes some additional nanoseconds. So when we watch from the Earth the stars / galaxies / anything around us, it's pretty much a sailor with binoculars scanning the horizon. There's a limit beyond which he can't see. In the sailor case the cause is Earth curvature, in the star-watching case it's because there's nothing older than 13.7 billons light-years, and then it's like an horizon for us as speed of light is finite.
3. From there I would expect :
3a. That the "Big Bang" "explosion" detonated from a point in the Universe we would define as V_(0, 0, 0) relatively to the Universe in physics.
3b. That all the matter, antimatter, energy, anything released from there can't be further away from that V_(0, 0, 0) than a 13.7 billions light-years limit, which happens to be the speed of light (nothing can travel faster than the speed of light, remember ?).
4. There's a contradiction. Our radiotelescopes "see" or rather hear stuff in every direction, in a 13.7 billions light-years "bubble" around Earth.
5. We should be the center of the Universe. That's impossible. The mere fact people once believed Earth was the center of the Solar System is a proof to say that. And from what I can see in documentaries, most scientists say that the Universe is, as far as we know, infinite. So what's ? I am wrong assuming that the "Big Bang" happened at a V_(0, 0, 0) "point" and instead was something "global", infinite and undetermined in space (and time) ? This is a bit mind-blowing. If there are other "dimensions" from other "Big Bangs", might them simply be around on the same "plane", possibly intersecting with ours, but for now out of visual range (13.7 billions light-years) ?
Any help welcome. :facepalm: :rofl:
For a long time I was certain that the "Big Bang" was pretty much a big explosion. At first there was a "singularity" (pretty much an infinitely small geometrical point, no idea why or what went there, possibly something from another dimension) of near infinite density and energy, that "blew up" and created Space, Time, Weak Nuclear & Strong Nuclear fundamental forces that rule everything we can observe. I can understand that. Also the recent "Dark Matter / Dark Energy" discoveries show that, unlike what we could expect, the "bubble" of matter created by the Big Bang won't collapse after the initial momentum is depleted, but will continue to expand forever (as it seems that on a huge scale, "void" between objects pushes them further away more than Gravity can attract them). I can conceive that too, the Universe we know might end "spaghettified" by a slow but infinite acceleration. OK, fair enough.
But now comes the trouble.
1. Astrophysicists say that the Universe is like 13.7 billions years old. Beyond that is the "Planck Wall", which is a bit like an "inverted black hole event horizon" to me, and that is anyways quite close from the Big Bang "t0" instant.
2. Light speed is a constant, and everything we look at is actually "delayed". Even the Moon image we see in the sky is like 1 second old. And I don't take into account what happens between our retina and our brain vision, memory and "get everything together" centers, which takes some additional nanoseconds. So when we watch from the Earth the stars / galaxies / anything around us, it's pretty much a sailor with binoculars scanning the horizon. There's a limit beyond which he can't see. In the sailor case the cause is Earth curvature, in the star-watching case it's because there's nothing older than 13.7 billons light-years, and then it's like an horizon for us as speed of light is finite.
3. From there I would expect :
3a. That the "Big Bang" "explosion" detonated from a point in the Universe we would define as V_(0, 0, 0) relatively to the Universe in physics.
3b. That all the matter, antimatter, energy, anything released from there can't be further away from that V_(0, 0, 0) than a 13.7 billions light-years limit, which happens to be the speed of light (nothing can travel faster than the speed of light, remember ?).
4. There's a contradiction. Our radiotelescopes "see" or rather hear stuff in every direction, in a 13.7 billions light-years "bubble" around Earth.
5. We should be the center of the Universe. That's impossible. The mere fact people once believed Earth was the center of the Solar System is a proof to say that. And from what I can see in documentaries, most scientists say that the Universe is, as far as we know, infinite. So what's ? I am wrong assuming that the "Big Bang" happened at a V_(0, 0, 0) "point" and instead was something "global", infinite and undetermined in space (and time) ? This is a bit mind-blowing. If there are other "dimensions" from other "Big Bangs", might them simply be around on the same "plane", possibly intersecting with ours, but for now out of visual range (13.7 billions light-years) ?
Any help welcome. :facepalm: :rofl:
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