File:Light cone.svg

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Summary

Description Illustration of a light cone, based on Image:Light cone.png
Date
Source Own work
Author Sakurambo
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The interval AB in the diagram to the right is 'time-like'. I.e. there is a frame of reference in which event A and event B occur at the same location in space, separated only by occurring at different times. If A precedes B in that frame, then A precedes B in all frames. It is hypothetically possible for matter (or information) to travel from A to B, so there can be a causal relationship (with A the cause and B the effect).

The interval AC in the diagram is 'space-like'. I.e. there is a frame of reference in which event A and event C occur simultaneously, separated only in space. However there are also frames in which A precedes C (as shown) and frames in which C precedes A. Barring some way of traveling faster than light, it is not possible for any matter (or information) to travel from A to C or from C to A. Thus there is no causal connection between A and C.

Licensing

Public domain This work has been released into the public domain by its author, Sakurambo. This applies worldwide.
In some countries this may not be legally possible; if so:
Sakurambo grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.
Translate this file This SVG file contains embedded text that can be translated into your language, using any capable SVG editor, text editor or the SVG Translate tool. For more information see: About translating SVG files.

Captions

Illustration of a light cone

Items portrayed in this file

depicts

23 July 2007

image/svg+xml

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Date/TimeThumbnailDimensionsUserComment
current03:06, 27 May 2021Thumbnail for version as of 03:06, 27 May 2021333 × 515 (8 KB)wikimediacommons>ÉpicoReverted to version as of 08:22, 23 July 2007 (UTC)

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