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The difference is magnitude, how long the distance is.
Physical distance is measured in units like miles and kilometers, and are used for short distances.
Time distance is measured in the distance light travels in a unit of time. The units are usually the kilometers light could travel in one year, and they are used for very long distances.
Light travels 299,792.458 kilometers in one second. Then it must travel 60 times as far in one minute, 60 X 60 times as far in one hour, 60 X 60 X 24 in one day, and 60 X 60 X 24 X 365 in one year.
In other words light travels 60 X 60 X 24 X 365 X 299,792.458 kilometers in one year. That is 9,454,354,955,000,000 kilometers. That number is so huge that it is much easier to say one light year.
Alpha Centauri the nearest star to our solar system is approximately 4.22 light years away. Our galaxy the Milky Way is approximately 100,000 light years long.
Using a distance measurement would be terribly cumbersome for interstellar distances or the distance between galaxies (intergalactic distances) which are even larger, so we use time distances.
What else can I help you with?
What is the minimum distance with maximum time difference between two countries?
The time difference is three and a half hours at the border between Afghanistan and China.
What is the difference in time and light years?
Time is a physical characteristic. A light year is a measure of distance, not of time. It is the distance that would be travelled in vacuum by light or other electromagnetic radiation. The distance travelled in outer space is nearly the same and is equal to approx 9.46 trillion kilometres.
What happens to the time difference between primary and secondary waves as the distance traveled gets longer?
The time difference between primary (P) and secondary (S) waves becomes larger as the distance traveled by the waves increases. This is because P-waves travel faster than S-waves, so the time delay between their arrivals at a seismometer station increases with distance.
What is time difference between two longitudes?
The difference in local mean time between two longitudes is the difference in longitudes divided by 15 degrees per hour (15 degrees/hour). The difference in standard times between any two places depends on the government or governments that has/have jurisdiction over the places involved.
What happens to the time difference between primary and secondary wave as the distance traveled gets longer?
As the distance traveled by the primary and secondary waves increases, the time difference between them also increases. This is because primary waves travel faster through the Earth than secondary waves, resulting in a greater time gap between their arrivals at a given location.
What is the difference between adjacent wave compressions?
The difference between adjacent wave compressions is the distance between their peaks or troughs. The wavelength is the physical distance between two adjacent wave compressions, while the frequency represents the number of compressions passing a fixed point per unit of time.
What is the difference between distance time and speed?
SHITE
What is the minimum distance with maximum time difference between two countries?
The time difference is three and a half hours at the border between Afghanistan and China.
Difference between velocity time and distance time?
Velocity is distance divided by time. So the value of the velocity-time plot at any point in time will be the slope of the distance-time plot at that point in time.
What is the difference between a speed vs time graph and a distance vs time graph?
The dependent variable.
What is distance between Colorado and Uruguay?
in miles it is 5964 miles, with a 4 hour time difference.
What explains the difference between spped and velocity?
Distance covred in unit time is called speed
What is the longest time difference between two countries?
The longest time difference would be between Tonga and Samoa. They can be 24 hours apart but are only 550 miles / 887km apart in distance.
What is the difference in arrival time between P and S waves equivalent to?
The time difference in arrival between P and S waves can help determine the distance to an earthquake epicenter. For each second of difference, the earthquake is roughly 7.5 kilometers away. So, a time difference of, for example, 10 seconds would indicate the earthquake is approximately 75 kilometers away.
What is the difference in time and light years?
Time is a physical characteristic. A light year is a measure of distance, not of time. It is the distance that would be travelled in vacuum by light or other electromagnetic radiation. The distance travelled in outer space is nearly the same and is equal to approx 9.46 trillion kilometres.
What is the difference between physical education and practice?
Practice is on your own time either at home but not during school time. Physical education is during school time, it mostly is followed up with a grade.
How is the distance between the seismic station and the earthquake epicenter determined?
The distance between a seismic station and the earthquake epicenter is determined from the S-P interval, which is the time difference between the time of arrival of the first P wave and the first S wave.
