File:Artist’s impression of the expected dark matter distribution around the Milky Way.ogv

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Artist’s_impression_of_the_expected_dark_matter_distribution_around_the_Milky_Way.ogv ‎(file size: 846 KB, MIME type: application/ogg)

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Summary

Description
English: This artist’s impression shows the Milky Way galaxy. The blue halo of material surrounding the galaxy indicates the expected distribution of the mysterious dark matter, which was first introduced by astronomers to explain the rotation properties of the galaxy and is now also an essential ingredient in current theories of the formation and evolution of galaxies.
Date
Source ESO
Author ESO/L. Calçada

Licensing
This media was created by the European Southern Observatory (ESO).
Their website states: "Unless specifically noted, the images, videos, and music distributed on the public ESO website, along with the texts of press releases, announcements, pictures of the week, blog posts and captions, are licensed under a Creative Commons Attribution 4.0 International License, and may on a non-exclusive basis be reproduced without fee provided the credit is clear and visible."
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attribution
This file is licensed under the Creative Commons Attribution 4.0 International license.
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Captions

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inception

18 April 2012

media type

application/ogg

checksum

56cfe746b0cd72ade47c3c212853551537d30576

determination method: SHA-1

data size

866,562 byte

duration

31.230839002267572 second

height

720 pixel

width

1,280 pixel

File history

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current05:31, 19 April 2012 (846 KB)imagescommonswiki>Originalwana{{Information |Description ={{en|1=This artist’s impression shows the Milky Way galaxy. The blue halo of material surrounding the galaxy indicates the expected distribution of the mysterious dark matter, which was fi...

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