Simply put, in physics, spacetime is a model that combines three-dimensional space and one-dimensional time into a single construct called the space-time continuum, in which time plays the role of the 4th dimension. According to Euclidean space perception, our universe has three dimensions of space, and one dimension of time. By combining the two concepts into a single construct, physicists are able to significantly simplify the form of most physical laws, as well as describe the workings of the universe at both super-galactic and subatomic levels in a more uniform way.
2006-06-21 12:07:35
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answer #1
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answered by wefields@swbell.net 3
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Space is the area that is occupied by all known heavenly bodies.
Time is a mathematical measurement of a device used to measure the movement of these heavenly bodies.
Space has allways existed.
Time began when humans created the clock to record the movements in space.
Would time exist if no humans existed?
2006-06-21 19:42:23
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answer #2
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answered by Anonymous
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Distance is measured in light years. A light year is-186,000 miles per second,moving for one calender year. One heck of a lot of wasted space out there in the universe!!!!!!!!!
2006-06-21 18:50:57
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answer #3
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answered by wolftatx2 4
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Space is something(nothing) between two objects that can hold something. Air is not space.
Time is something humans use to measure change.
2006-06-22 02:12:31
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answer #4
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answered by vs1h 2
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Ask the White Rabbit.
2006-06-21 18:44:38
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answer #5
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answered by Anonymous
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The universe's elegant way of not having a celestial pile up all at once.
2006-06-21 18:43:00
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answer #6
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answered by snoweagleltd 4
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as in measuring terms ? or in astronomy and the study of matter and energy?
2006-06-21 18:42:10
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answer #7
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answered by holygrail Kniggit 3
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Go ask Mr. Owl.
2006-06-21 19:17:56
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answer #8
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answered by S.A.M. Gunner 7212 6
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I know but the answer is too long to put here... sorry! :o(
2006-06-21 18:41:36
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answer #9
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answered by Anonymous
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