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Old 14-April-2004, 08:11 AM
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darkdev darkdev is offline
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Location: Madison, Wisconsin
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Default Relative time due to relative speed...

According to GR, as speed increases, time slows.
I assume that speed is measured as motion across fixed space.

Therefore, since the earth is clipping along around the sun, and the sun is clipping along around the center of our galaxy, and our galaxy may be clipping along (away from everything), we can deduce that relative to a fixed point in space, the earth has a speed of X.

This means that our local passage of time (X) is due to the speed at which we are moving, which is probably a fairly large number. This speed may even be constantly fluctuating as our position and direction relative to the Sun and galaxy's center, but no-one would know because we all share the same speed, as do our instruments.

So if you speed up the rotation of our galaxy, would our "time" as a whole slow down? I don't think anyone would notice. Does this mean that other galaxies moving relatively slower would have a faster passage of time? If so, and if evolution/life is common elsewhere, then other societies may have evolved much much faster then here on earth... or if another galaxy is moving much slower, the opposite is true?

Another interesting question arises... If time is due to relative speed, then if you STOP at some fixed point in space, then time will speed up, and you will experience eternity. This being the opposite of moving at (C), where time stands still and you experience nothing. If were on earth and had a device to "lock" onto a fixed point in space, just how face would you be ripped off the face of the earth? (or through it!)

In case it is not obvious, I am looking for thoughts on speed/time correlation and the actual speed of the earth in space. For instance, if speed and time and gravity/mass have the same relationship as in Ohm's Law (as soo many theories do): V = I * R

Speed = GM / Time
Time = GM / Speed
GM = Speed * Time

GM here means Gravity/Mass, although I'm not sure which is appropriate, or if it should mean gravitional mass... seems somewhat interchangable. Under this equation, speed and time have a inverse relationship for a specific GM, and a change in GM effects both speed and time.

Other thoughts?