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File:Lorentz transform of world line enlarged.gif

Lorentz_transform_of_world_line_enlarged.gif ‎(400 × 400 pixels, file size: 221 KB, MIME type: image/gif, looped, 100 frames, 10 s)

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Enlarged version of File:Lorentz transform of world line.gif, generated by w:User:Tristessa de St Ange using a slightly modified version of the generator code by w:commons:User:Cyp.

In this animation, the vertical direction indicates time and the horizontal direction indicates distance, the dashed line is the spacetime trajectory ("world line") of an accelerating observer. The small dots are arbitrary events in spacetime that are stationary relative to each other. The events passing the two diagonal lines in the lower half of the picture (the past light cone of the observer) are those that are visible to the observer.

The slope of the world line (deviation from being vertical) gives the relative velocity to the observer. Note how the view of spacetime changes when the observer accelerates. In particular, absolute time is a concept not applicable in Lorentzian spacetime: events move up-and-down in the figure depending on the acceleration of the observer.

Compare this to the absolute time apparent in Image:Galilean transform of world line.gif.


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Date/TimeThumbnailDimensionsUserComment
current03:04, 6 October 2011Thumbnail for version as of 03:04, 6 October 2011400 × 400 (221 KB)Tristessa de St Ange (talk | contribs)
02:44, 6 October 2011Thumbnail for version as of 02:44, 6 October 2011600 × 600 (344 KB)Tristessa de St Ange (talk | contribs)Enlarged version of File:Lorentz transform of world line.gif, generated by User:Tristessa de St Ange using a slightly modified version of the generator code by commons:User:Cyp. In this animation, the vertical direction indicates time and th

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