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Bh-light-cones-1.png (642 × 193 pixels, file size: 4 KB, MIME type: image/png)

Summary

Description
English: This image illustrates the forward light cones of points along the worldlines of objects moving near a black hole. In case 1), the light cones are not substantially affected by the hole's gravity. In case 2), the light cones are tilted towards the black hole, but emitted light can still escape. In case 3), as the infalling object approaches the event horizon, the forward light cone of the object tilts so that its outer edge is aligned with the horizon. Light emitted at this event takes an arbitrarily long time to escape the hole. In case 4), the infalling object is within the event horizon, and all parts of the light cone point intwards. Moving towards the singularity is inevitable. --Christopher Thomas 19:09, 29 December 2005 (UTC) I, the author of this image, hereby release it for use under the Creative Commons "Share Alike" license. --Christopher Thomas 19:05, 29 December 2005 (UTC)
Date 29 December 2005 (original upload date)
Source Transferred from en.wikipedia to Commons by IngerAlHaosului using CommonsHelper.
Author The original uploader was Christopher Thomas at English Wikipedia.
Permission
(Reusing this file)
CC-SA.

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Original upload log

The original description page was here. All following user names refer to en.wikipedia.
  • 2005-12-29 19:04 Christopher Thomas 642×193× (4534 bytes) I, the author of this image, hereby release it for use under the Creative Commons "Share Alike" license.

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b2f230d2ba2019eed8e73bd5c94b130d7b77e5e5

4,534 byte

193 pixel

642 pixel

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Date/TimeThumbnailDimensionsUserComment
current06:47, 18 January 2010Thumbnail for version as of 06:47, 18 January 2010642 × 193 (4 KB)File Upload Bot (Magnus Manske) {{BotMoveToCommons|en.wikipedia|year={{subst:CURRENTYEAR}}|month={{subst:CURRENTMONTHNAME}}|day={{subst:CURRENTDAY}}}} {{Information |Description={{en|This image illustrates the forward light cones of points along the worldlines of objects moving near a

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