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Fail:Quasar HE 1104-1805.jpg

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See fail ja sellest kastist allapoole jääv kirjeldus pärinevad kesksest failivaramust Wikimedia Commons. Faili lehekülg Commonsis

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English: This picture shows a quasar that has been gravitationally lensed by a galaxy in the foreground, which can be seen as a faint shape around the two bright images of the quasar. Observations of one of the images show variations in colour over time. This is caused by stars within the lens galaxy passing through the path of the light from the quasar, magnifying the light from different parts of the quasar’s accretion disc as they move. This has allowed a team of scientists to reconstruct the colour and temperature profile of the accretion disc with unprecedented precision. The level of detail involved is equivalent to being able to study individual grains of sand on the surface of the Moon while standing on Earth.
Kuupäev
Allikas http://www.spacetelescope.org/images/heic1116a/
Autor NASA, ESA and J.A. Muñoz (University of Valencia)
Luba
(Faili edasikasutus)
w:et:Creative Commons
omistamine
omistamine
 ESA/Hubble images, videos and web texts are released by the ESA under the Creative Commons Attribution 4.0 International license and may on a non-exclusive basis be reproduced without fee provided they are clearly and visibly credited. Detailed conditions are below; see the ESA copyright statement for full information. For images created by NASA or on the hubblesite.org website, or for ESA/Hubble images on the esahubble.org site before 2009, use the {{PD-Hubble}} tag.
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w:et:Creative Commons
omistamine
See fail kuulub Creative Commonsi rahvusvahelise litsentsi "Autorile viitamine 4.0" alla.
Omistamine: NASA, ESA and J.A. Muñoz (University of Valencia)
Tohid:
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  • kohandada – valmistada muudetud teoseid
Järgmistel tingimustel:
  • omistamine – Pead materjali sobival viisil autorile omistama, tooma ära litsentsi lingi ja märkima ära, kas on tehtud muudatusi. Sobib, kui teed seda mõistlikul viisil, kuid seejuures ei tohi jääda muljet, et litsentsiandja tõstab esile sind või seda, et sina materjali kasutad.
Teised versioonid Derivative works of this file:  Quasar barnstar 1.png

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