scientific definition of time - EAS
- "what a clock reads"Time in physics is operationally defined as "what a clock reads". The physical nature of time is addressed by general relativity with respect to events in spacetime. Examples of events are the collision of two particles, the explosion of a supernova, or the arrival of a rocket ship.
en.wikipedia.org/wiki/Time - People also ask
- https://www.reference.com/science/scientific-definition-time-1f03c02f9ca1ba96
Apr 06, 2020 · In physical science, time is defined as a measurement, or as what the clock face reads. With the advent of atomic timekeeping and the International System of Units, time is measured in units of seconds and held to the standards of the UTC time stamp. Other definitions or descriptions of time include the “arrow of time” in which individuals remember the past but …
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- https://en.wikipedia.org/wiki/Time
The Mean Solar Time system defines the second as 1/86,400 of the mean solar day, which is the year-average of the solar day. The solar day is the time interval between two successive solar noons, i.e., the time interval between two successive passages of the Sun across the local meridian. The local meridian is an imaginary line that runs from celestial north pole to celestial south pole passing directly over the head of the observer. At the local meridian, the Sun reaches …
Wikipedia · Text under CC-BY-SA license - https://www.thoughtco.com/what-is-time-4156799
Dec 29, 2017 · Physicists define time as the progression of events from the past to the present into the future. Basically, if a system is unchanging, it is timeless. Time can be considered to be the fourth dimension of reality, used to describe events in three-dimensional space. It is not something we can see, touch, or taste, but we can measure its passage.
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- https://www.britannica.com/science/time
time, a measured or measurable period, a continuum that lacks spatial dimensions. Time is of philosophical interest and is also the subject of mathematical and scientific investigation. Time appears to be more puzzling than space because it seems to flow or pass or else people seem to advance through it.
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