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originally posted by: FormOfTheLord
Dark matter and dark energy are said to be 95%-96% of the universe which is unknown to us. Meaning we dont know squat. . .
I think that's a semantic question.
Oh and by the way someone (not you) stated that the Big Bang is a fact.
It's not a fact or it wouldn't be called a THEORY, it would be called a LAW.
There was another poster also that stated that (I think, correct me if I'm
wrong) stated that everything was expanding away from everything else and that was B.S.
The illustration we were given in class (and is also used by Carl Sagan in the mini-series Cosmos) is the universe is like an inflating sphere getting bigger and bigger.
originally posted by: rebelv
There was another poster also that stated that (I think, correct me if I'm
wrong) stated that everything was expanding away from everything
else and that was B.S...
...The illustration we were given in class (and is also used by Carl
Sagan in the mini-series Cosmos) is the universe is like an inflating
sphere getting bigger and bigger.
This was in the 80's that I took these science classes, and maybe
the model scientists are using now has changed. I don't know,
I'm not a scientist.
originally posted by: Soylent Green Is People
originally posted by: rebelv
There was another poster also that stated that (I think, correct me if I'm
wrong) stated that everything was expanding away from everything
else and that was B.S...
...The illustration we were given in class (and is also used by Carl
Sagan in the mini-series Cosmos) is the universe is like an inflating
sphere getting bigger and bigger.
This was in the 80's that I took these science classes, and maybe
the model scientists are using now has changed. I don't know,
I'm not a scientist.
Here is another illustration:
Consider this 2D surface as being a representation of space (yeah -- I know space is not 2D, but this is just for illustrative purposes). The graphic below has edges, but in reality there are no edges; it extends infinitely in all directions, or it curves back on itself. Either way, none of the little circles are closer to an edge than any other, because there are no edges:
Now, let's consider this surface expanding in all directions:
Every circle is now further away than every other circle, and no matter which circle you may be located at, all of the other circles are moving away from you equidistantly. If you pick one circle to be your "home location", all of the other circles would appear to be moving away from you, with you at the center of that expansion. However, if you then chose another circle to be your "home location", all of the other circles from that location, too, would appear to be moving away from you, as if THAT location was the center of expansion.
But actually, none (and at the same time, all) of those locations would be the "center of expansion".
originally posted by: Astyanax
a reply to: rebelv
I think that's a semantic question.
No, it's a physics question. As you understand well, time is a physical component of the universe, so temporally speaking there is no 'before the universe', far less 'before the Big Bang'. So why, then, cycles over time?
I think the point these guys are making is that all the cycles are, essentially, equivalent to a single closed loop, which you could go round in either direction, timewise — hence 'we are living in the past of a parallel universe'.
Oh and by the way someone (not you) stated that the Big Bang is a fact.
It's not a fact or it wouldn't be called a THEORY, it would be called a LAW.
Actually, it was me and I stand by what I said, though I really don't want to get into an argument — which really would be a semantic one this time — about the different meanings and applications of the word 'theory'.
There was another poster also that stated that (I think, correct me if I'm
wrong) stated that everything was expanding away from everything else and that was B.S.
Me again, although others may have stated it too. It doesn't happen on a local scale around gravity wells. It's intergalactic space that expands. Gravity appears to counteract the expansion over short (a few hundred light-years') distances.
The illustration we were given in class (and is also used by Carl Sagan in the mini-series Cosmos) is the universe is like an inflating sphere getting bigger and bigger.
The trouble with that image is that you look at the sphere from the outside. The universe doesn't have an outside, only an inside.
originally posted by: artistpoet
a reply to: rebelv
I am sure Black Holes... if they exist are connected to the Big Bang ... if we believe our science ... star matter etc pulled apart and so highly compressed into ...nobody knows what.... for it is beyond the event line and scope of our science.
originally posted by: rebelv
a reply to: Korg Trinity
That is about what I learned in college, a different kind
of model to explain the same idea.
Of course, the "center" of the universe would be located
in the middle of this big bubble, and actually exists in the
very distant past (the theoretical Big Bang) billions of years
ago.
So, time could be defined as the increasing size of the universe.
Great post
Rebel 5
originally posted by: Soylent Green Is People
a reply to: rebelv
Don't think of the theoretical big bang as an explosion of stuff outward into space. That's because there was no "space" at the time of the big bang for stuff to explode out into.
Instead, think of the big bang as an expansion of space itself, and that expansion had no center. It had no center because space had no edge, not even at the beginning.
So there was no particular place that the big bang occurred; it occurred everywhere.
originally posted by: Soylent Green Is People
a reply to: anonentity
Time does not only exist as a thought tool. It also exists in the real world around us.
If time (or at least the thing we call time) didn't exist, then everything would happen at once.
originally posted by: anonentity
.."I think therefore I am" either way its still a simulation. When we leave the simulation as in sleep or death, linear time stops. My suspicions are that we must be interpreting a Universe which is really a wave state... as a real solid thing....
originally posted by: Soylent Green Is People
originally posted by: anonentity
.."I think therefore I am" either way its still a simulation. When we leave the simulation as in sleep or death, linear time stops. My suspicions are that we must be interpreting a Universe which is really a wave state... as a real solid thing....
When one person is sleeping or has died, another person is still awake and alive -- so time isn't stopping. Neither time nor the universe cares if a person sleeps or dies.
In fact, the Earth is such an infinitesimally tiny little speck of almost nothingness compared to the rest of the universe that the universe won't even notice if the everyone on earth died. The Universe and time was doing its thing for billions of years before humans came along to "perceive it", and the universe will keep on doing that thing after humans are no longer around to perceive it.
Human perception does not control the universe. We are not that important.
originally posted by: anonentity
originally posted by: Soylent Green Is People
originally posted by: anonentity
.."I think therefore I am" either way its still a simulation. When we leave the simulation as in sleep or death, linear time stops. My suspicions are that we must be interpreting a Universe which is really a wave state... as a real solid thing....
When one person is sleeping or has died, another person is still awake and alive -- so time isn't stopping. Neither time nor the universe cares if a person sleeps or dies.
In fact, the Earth is such an infinitesimally tiny little speck of almost nothingness compared to the rest of the universe that the universe won't even notice if the everyone on earth died. The Universe and time was doing its thing for billions of years before humans came along to "perceive it", and the universe will keep on doing that thing after humans are no longer around to perceive it.
Human perception does not control the universe. We are not that important.
As a personal observer, it is ultimately important because its the observers interpretation of reality, is all that counts for the observer.
originally posted by: Soylent Green Is People
a reply to: rebelv
Don't think of the theoretical big bang as an explosion of stuff outward into space. That's because there was no "space" at the time of the big bang for stuff to explode out into.
Instead, think of the big bang as an expansion of space itself, and that expansion had no center. It had no center because space had no edge, not even at the beginning.
So there was no particular place that the big bang occurred; it occurred everywhere.