Proper length
id:
proper-length-305-1880827
title:
Proper length
text:
Proper length or rest length is the length of an object in the object's rest frame. The measurement of lengths is more complicated in the theory of relativity than in classical mechanics. In classical mechanics, lengths are measured based on the assumption that the locations of all points involved are measured simultaneously. But in the theory of relativity, the notion of simultaneity is dependent on the observer. A different term, proper distance, provides an invariant measure whose value is th
brand slug:
wiki
category slug:
encyclopedia
description:
Length of an object in the object's rest frame
original url:
https://en.wikipedia.org/wiki/Proper_length
date created:
date modified:
2021-09-03T23:34:37Z
main entity:
{"identifier":"Q3153623","url":"https://www.wikidata.org/entity/Q3153623"}
image:
fields total:
13
integrity:
14