BeschrijvingLight cone ar.svg	Illustration of a light cone, based on Image:Light cone.png
Datum	26 augustus 2015 (translation), 2007-07-23 (upload to Commons)
Bron	translated from Light cone.svg
Auteur	Sakurambo derivative work (translation): Exmak
Toestemming (Hergebruik van dit bestand)	Public domainPublic domainfalsefalse Dit werk vrijgegeven in het publieke domein door de auteur, I, Sakurambo. Dit is wereldwijd van toepassing. In sommige landen is dit wettelijk niet mogelijk; in die gevallen geldt: I, Sakurambo staat iedereen toe dit werk voor eender welk doel te gebruiken, zonder enige voorwaarden, tenzij zulke voorwaarden door de wet worden voorgeschreven.
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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.

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This image is a derivative work of the following images:

• Light cone.svg licensed with PD-self,
  • 2007-07-23T08:22:05Z Sakurambo~commonswiki 333x515 (7792 bytes) slight alteration
  • 2007-07-23T00:10:24Z Sakurambo~commonswiki 333x515 (7793 bytes) {{Information |Description=Illustration of a [[w:light cone]], based on [[:Image:Light cone.png]] |Source=self-made |Date=2007-07-23 |Author= [[User:Sakurambo|Sakurambo]] }} The interval AB in the diagram to the right is 'ti

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