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Results tagged with time
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user 20578
Time is defined operationally to be that which is measured by clocks. The SI unit of time is the second, which is defined to be "the duration of $9, 192, 631, 770$ periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium $133$ atom."
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Can two free floating clocks synch up without a common reference?
or that they read the same time? Since they can confirm by radio that they tick at the same rate, the problem becomes getting them to read the same time. … There is no frame-invariant definition of "remote from one another but at the same time". See
https://en.wikipedia.org/wiki/Einstein_synchronisation …
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Degree of Time Dilation At a Distance From the Sun where acceleration = g?
It is tempting for a GR newbie such as myself to think that anywhere that the gravity is equal to that of the earth's surface that time-dilation would be the same, i.e. dilation as a simple function of … What is the time dilation there with regard to a "Far away" observer? I understand to the dilation on the Earth's surface to be 0.0219 seconds per year compared with the distant observer. …