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File:Messier 81 HST.jpg

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Original file (22,620 × 15,200 pixels, file size: 74.13 MB, MIME type: image/jpeg)

Summary

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Description
English: The spiral galaxy Messier 81 is tilted at an oblique angle on to our line of sight, giving a "birds-eye view" of the spiral structure. The galaxy is similar to our Milky Way, but our favorable view provides a better picture of the typical architecture of spiral galaxies. Though the galaxy is 11.6 million light-years away, NASA Hubble Space Telescope's view is so sharp that it can resolve individual stars, along with open star clusters, globular star clusters, and even glowing regions of fluorescent gas.
Français : La galaxie spirale M81. Cette galaxie est l'une des plus proche de nous (11,6 millions d'années lumière), et elle se présente de biais, d'où son aspect ovale. La structure de cette galaxie ressemble à celle de la voie lactée. Sa relative proximité fait que le télescope spatial Hubble est capable de distinguer en son sein des étoiles individuelles ainsi que des amas ouverts ou globulaires.
Date Data acquired between 2004 and 2006; released 2007-05-28
Source
Author NASA, ESA and the Hubble Heritage Team (STScI/AURA)

Assessment

Picture of the day
Picture of the day
Featured picture
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Valued image

Wikimedia CommonsWikipedia

This file was the picture of the day on August 23, 2010.
This is a featured picture on Wikimedia Commons (Featured pictures) and is considered one of the finest images. See its nomination here.
This image has been assessed under the valued image criteria and is considered the most valued image on Commons within the scope Messier 81. See its nomination here.
 This is a featured picture on the English language Wikipedia (Featured pictures) and is considered one of the finest images. See its nomination here.
 This is a featured picture on the Turkish language Wikipedia (Seçkin resimler) and is considered one of the finest images. See its nomination here.

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This image was selected as picture of the day on Vietnamese Wikipedia.

Licensing

Public domain
This file is in the public domain because it was created by NASA and ESA. NASA Hubble material (and ESA Hubble material prior to 2009) is copyright-free and may be freely used as in the public domain without fee, on the condition that only NASA, STScI, and/or ESA is credited as the source of the material. This license does not apply if ESA material created after 2008 or source material from other organizations is in use.

The material was created for NASA by Space Telescope Science Institute under Contract NAS5-26555, or for ESA by the Hubble European Space Agency Information Centre. Copyright statement at hubblesite.org or 2008 copyright statement at spacetelescope.org.

For material created by the European Space Agency on the spacetelescope.org site since 2009, use the {{ESA-Hubble}} tag.

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Messier 81

data size

77,726,028 byte

height

15,200 pixel

width

22,620 pixel

media type

image/jpeg

checksum

42748d5685386321f15f950c062d63e67a38797b

determination method or standard: SHA-1

File history

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Date/TimeThumbnailDimensionsUserComment
current18:02, 3 August 2009Thumbnail for version as of 18:02, 3 August 200922,620 × 15,200 (74.13 MB)TryphonFull resolution, from http://imgsrc.hubblesite.org/hu/db/images/hs-2007-19-a-full_jpg.jpg.
13:59, 29 May 2007Thumbnail for version as of 13:59, 29 May 20073,000 × 2,016 (9.31 MB)Winiar{{Information |Description="The sharpest image ever taken of the large "grand design" spiral galaxy M81 is being released today at the American Astronomical Society Meeting in Honolulu, Hawaii. A spiral-shaped system of stars, dust, and gas clouds, the ga

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