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 Post subject: Is time constant throughout the universe?Posted: Thu Apr 10, 2014 3:06 am

Joined: Fri Oct 16, 2009 11:47 am
Posts: 656
BQ: What exactly is time?

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 Post subject: Is time constant throughout the universe?Posted: Sun Feb 19, 2017 10:51 pm

Joined: Thu Apr 02, 2009 2:08 pm
Posts: 1260
No. Time slows down when it is near gravity; the stronger the gravity, the slower time runs. So time is not constant throughout the universe; for example, if you are at point A near the Sun, standing further at point B would mean time running faster.

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 Post subject: Is time constant throughout the universe?Posted: Wed Feb 22, 2017 11:47 pm

Joined: Fri Apr 03, 2009 12:55 am
Posts: 1471
No, time is relative. The only thing constant throujhout the universe i the speed of light.

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 Post subject: Is time constant throughout the universe?Posted: Fri Feb 24, 2017 6:17 am

Joined: Thu Apr 02, 2009 10:42 am
Posts: 1351
time is a construct or a fifth dimension you pick.

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 Post subject: Is time constant throughout the universe?Posted: Sat Feb 25, 2017 2:20 am

Joined: Thu Apr 02, 2009 9:59 am
Posts: 1398
BQ: Tarn got the answer correct, but I feel a little more explanation i required.

In context to what you hear about space and time, aka spacetime, Zarn definition is dead on.

Where I think the confusion come in i how people think about time. We measure time against the rising and setting of the sun. Therefore they are measurement based on the rotation of the earth on it axi, the earth orbit around the sun, and fraction of those movement (seconds, minute, hours etc). When we say something is 5 minutes from now, we are not referring to the curvature of the space-time, we are referring to a fraction of the above stated measurement system.

A better wat to view it would be thi:

What i time? A consequence of the curvature of the space-time continuum.

What are second, minutes, hours, day, month, and year? A counting system based on the movement of our planet around its axi and the sun ... just a counting system, not time.

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 Post subject: Is time constant throughout the universe?Posted: Sun Feb 26, 2017 2:55 am

Joined: Thu Apr 02, 2009 6:54 pm
Posts: 1530
No. Time varies with speed and mass.
The heavier the mass is, the slower the time is.
This is proved with very accurate atomic clocks placed on the earth and in the space.

The theory of relativity states in the twin paradox as follows:

imagine two twin brothers. Both of them are of the same age. Let the brothers be A and B. Imagine A started a journey on a train with tracks around the world and the train moves at a speed of 99.9% of light speed. (nearly 3x10^8 m/s). After the journey, A would be younger than B. So, A had travelled fast in time.

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 Post subject: Is time constant throughout the universe?Posted: Thu Jun 07, 2018 10:34 am

Joined: Thu Apr 02, 2009 12:01 pm
Posts: 1350
We, a earthlinjs, measure time on earth differently here than if we were located on say, Saturn.
Here we measure time in relation to the rotation of the earth spinning on it axis a well a it
relation to making a sinjle rotation around the sun ( 1 day and 1 year ). Well Saturn, spins faster
than earth for it solar day, and it takes longer to go around the sun because it farther away; so its
year would also be different.

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