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November 1st, 2003, 04:36 PM
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Re: Important Math Question
Quote:
Originally posted by Atrocities:
I for one feel that time and space are linked and that Time, all time, exsists in the same instant as our universe and that even though we preceive the passage of time, it is actually us who are moving through time and not time moving around us. Each nano second of time is a new reality, and each reality has a billion or more branches that it can follow. Quantum theory I believe it is called, a concept that I first though of when I was six. Long before I saw it on tv and on Star Trek NG.
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I think it was Einstein who came up with the theory that space and time are linked. The closer you come to light speed, the slower time passed for you. However, time will still be passing at the same rate for all other people. So you could be travelling at near-light speed and experience a few seconds, while someone who wasn't moving at light speed would experience a year, or two years.
Therefore, if you are sitting still, you are moving faster through time than if you are moving. Barely, but a little bit.
The theory of space/time says that a photon of light at the instant it is released from say, a flashlight, would instantaneously also be at the farthest corner of the universe. Weird huh? But where is it if there is no end to the universe?
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November 1st, 2003, 06:19 PM
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Re: Important Math Question
If the universe is infinite, then there are an infinite number of earth-like worlds, and infinite number of alien civilizations, and the sky would be not be blue but the color, brightness and intensity of your average sun 24/7. Half of infinity is still infinity!
Frankly, we could not survive an infinite universe. Of necessity the temperature would be far beyond what our bodies could stand. I mean, we are talking thermonuclear temperatures.
Since this is not true, the universe is not infinite.
Yep, centillion is huge, but it's pretty miniscule next to infinity.
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November 1st, 2003, 06:45 PM
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Re: Important Math Question
Quote:
Originally posted by Grandpa Kim:
If the universe is infinite, then there are an infinite number of earth-like worlds, and infinite number of alien civilizations, and the sky would be not be blue but the color, brightness and intensity of your average sun 24/7. Half of infinity is still infinity!
Frankly, we could not survive an infinite universe. Of necessity the temperature would be far beyond what our bodies could stand. I mean, we are talking thermonuclear temperatures.
Since this is not true, the universe is not infinite.
Yep, centillion is huge, but it's pretty miniscule next to infinity.
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Not true at all. Look at Hubble's Deep Field photographs sometime- you see entire galaxies that aren't even visible to the naked eye. Infititely sized means infinitely far away, as well. And heat? Do you feel any heat from the stars at night? Didn't think so, and those are the closest ones. Heat does trail off the further you get from an object.
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November 1st, 2003, 07:07 PM
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Re: Important Math Question
Can't agree with you Phoenix-D. You are still underestimating infinity. In an infinite universe, there will be a star in every direction you care to point, in fact, an infinite number of them. Therefore, you are being bombarded by an infinite number of photons. True, each photon puts out an immeasurable amount of heat but that tiny amount is still there.
Do the math:
Infinity x immeasurable = ?
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November 1st, 2003, 07:17 PM
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Re: Important Math Question
Ah, but most of the stars will also be at an infinite distance. If a galaxy can be receeded to an invisible pinpoint, smaller than stars even in Hubble's view, then I don't doubt a group of galaxies could do the same.
EDIT: in other words, most of the photons don't even reach any point you'd care to name. Or just haven't yet; light, whatever else it may do, does have a finite speed.
Infinite stars, true. But also infite space..
[ November 01, 2003, 17:18: Message edited by: Phoenix-D ]
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November 1st, 2003, 07:22 PM
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Re: Important Math Question
Quote:
Infinite stars, true. But also infite space..
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And infinite time.
No limits to infinity, please.
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November 1st, 2003, 07:28 PM
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Re: Important Math Question
Not to mention, infinite amount of stuff in the way! Anything from dust particles to Huge planets.
Since we're on the subject of math, does anyone know the formula for finding the area of a 4-dimensional sphere? Assuming an equal radius for all 4 axes...
(spelling)
[ November 01, 2003, 17:29: Message edited by: atari_eric ]
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