File:Messier 87 black hole.jpeg

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Original file(1,600 × 1,067 pixels, file size: 54 KB, MIME type: image/jpeg)

Summary[edit]

Description

The first direct visual evidence of a supermassive black hole and its shadow

Source

The Event Horizon Telescope

Date

13:47, 10 April 2019 (UTC)

Author

EHT project

Permission

fair use

Licensing[edit]

Fair use

Fair use rationale for use in the article Black hole


Even though the media Messier 87 black hole.jpeg is copyrighted and not released under a free license, I, D, feel it is covered by fair use for at least one of the following reasons:

  • No free alternative exists.
  • The placement in a RationalWiki article is being used for informational purposes only, and its use is not believed to detract from the original copyrighted media in any way.
  • A free alternative may not exist now, but in the event of a free alternative being located for the article "Black hole" in the future, this file should be deleted as soon as possible.
Fair use

Fair use rationale for use in the article Event Horizon Telescope


Even though the media Messier 87 black hole.jpeg is copyrighted and not released under a free license, I, D, feel it is covered by fair use for at least one of the following reasons:

  • No free alternative exists.
  • The placement in a RationalWiki article is being used for informational purposes only, and its use is not believed to detract from the original copyrighted media in any way.
  • A free alternative may not exist now, but in the event of a free alternative being located for the article "Event Horizon Telescope" in the future, this file should be deleted as soon as possible.

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current13:47, 10 April 2019Thumbnail for version as of 13:47, 10 April 20191,600 × 1,067 (54 KB)D (talk | contribs){{Information |description= The first direct visual evidence of a supermassive black hole and its shadow |source= [https://www.eso.org/public/news/eso1907/ The Event Horizon Telescope] |author= EHT project |permission= fair use |other_versions= |date=~...

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