Datoteka:Ssc2003-06c.jpg

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Opis

The spiral arms of the nearby galaxy Messier 81 are highlighted in this NASA Spitzer Space Telescope image. Located in the northern constellation of Ursa Major (which also includes the Big Dipper), this galaxy is easily visible through binoculars or a small telescope. M81 is located at a distance of 12 million light-years.

Because of its proximity, M81 provides astronomers with an enticing opportunity to study the anatomy of a spiral galaxy in detail. The unprecedented spatial resolution and sensitivity of Spitzer at infrared wavelengths show a clear separation between the several key constituents of the galaxy: the old stars, the interstellar dust heated by star formation activity, and the embedded sites of massive star formation. The infrared images also permit quantitative measurements of the galaxy's overall dust content, as well as the rate at which new stars are being formed.
Datum
Izvor http://www.spitzer.caltech.edu/Media/releases/ssc2003-06/ssc2003-06c.shtml (TIFF image)
Autor NASA/JPL-Caltech/S. Willner (Harvard-Smithsonian Center for Astrophysics)
Dopuštenje
(Ponovna upotreba ove datoteke)
Public domain This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
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nastanak

6 novembar 2003

vrsta medija na Internetu Serbian (Latin script)

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Historija datoteke

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Datum/vrijemeMinijaturaDimenzijeKorisnikKomentar
aktualna18:14, 3 mart 2010Minijatura verzije (18:14, 3 mart 2010)1.358 × 1.030 (1,27 MB)TryphonRemoved border from TIFF file, then converted to JPEG, from http://www.spitzer.caltech.edu/Media/releases/ssc2003-06/ssc2003-06c.shtml (http://ipac.jpl.nasa.gov/media_images/ssc2003-06c.tif).
09:05, 30 maj 2007Minijatura verzije (09:05, 30 maj 2007)1.500 × 1.200 (1,11 MB)ArchetypeRyan~commonswikiThis is an image of the spiral galaxy M81 taken by the Spitzer Space Telescope and distributed by NASA. It was provided by the Spitzer Space Telescope Newsroomhttp://www.spitzer.caltech.edu/Media/releases/ssc2003-06/ssc2003-06c.shtml.

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