Speed of light
id:
speed-of-light-206-14031627
title:
Speed of light
text:
The speed of light in vacuum, commonly denoted c, is a universal physical constant that is exactly equal to 299,792,458 metres per second. According to the special theory of relativity, c is the upper limit for the speed at which conventional matter or energy can travel through space. All forms of electromagnetic radiation, including visible light, travel at the speed of light. For many practical purposes, light and other electromagnetic waves will appear to propagate instantaneously, but for lo
brand slug:
wiki
category slug:
encyclopedia
description:
Speed of electromagnetic waves in vacuum
original url:
https://en.wikipedia.org/wiki/Speed_of_light
date created:
2001-10-31T17:30:40Z
date modified:
2024-09-10T20:55:46Z
main entity:
{"identifier":"Q2111","url":"https://www.wikidata.org/entity/Q2111"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/2/2e/Earth_to_Sun_-_en.png","width":841,"height":476}
fields total:
13
integrity:
16