File:Milky Way 2005.jpg
![File:Milky Way 2005.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/0/09/Milky_Way_2005.jpg/600px-Milky_Way_2005.jpg?20140419215519)
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Aquest fitxer ha estat substituït per File:Artist’s impression of the Milky Way.jpg. Es recomana utilitzar l'altre. Tingueu en compte que per suprimir imatges substituïdes cal consens.
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DescripcióMilky Way 2005.jpg |
Caption from NASA: Like early explorers mapping the continents of our globe, astronomers are busy charting the spiral structure of our galaxy, the Milky Way. Using infrared images from NASA's Spitzer Space Telescope, scientists have discovered that the Milky Way's elegant spiral structure is dominated by just two arms wrapping off the ends of a central bar of stars. Previously, our galaxy was thought to possess four major arms. This artist's concept illustrates the new view of the Milky Way, along with other findings presented at the 212th American Astronomical Society meeting in St. Louis, Mo. The galaxy's two major arms (Scutum-Centaurus and Perseus) can be seen attached to the ends of a thick central bar, while the two now-demoted minor arms (Norma and Sagittarius) are less distinct and located between the major arms. The major arms consist of the highest densities of both young and old stars; the minor arms are primarily filled with gas and pockets of star-forming activity. The artist's concept also includes a new spiral arm, called the "Far-3 kiloparsec arm," discovered via a radio-telescope survey of gas in the Milky Way. This arm is shorter than the two major arms and lies along the bar of the galaxy. Our sun lies near a small, partial arm called the Orion Arm, or Orion Spur, located between the Sagittarius and Perseus arms. |
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Font | NASA/JPL (http://www.nasa.gov/mission_pages/spitzer/multimedia/20080603a.html) |
Autor | R. Hurt |
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Created by NASA; public domain |
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Aquest fitxer és en el domini públic perquè ha estat creat per la NASA. L'avís legal de la NASA diu que «el material de la NASA no està protegit per copyright si no es diu el contrari». (NASA copyright policy page o JPL Image Use Policy). | ![]() |
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Cliqueu una data/hora per veure el fitxer tal com era aleshores.
Data/hora | Miniatura | Dimensions | Usuari/a | Comentari | |
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actual | 21:55, 19 abr 2014 | ![]() | 1.350 × 1.350 (955 Ko) | SenseiAC (discussió | contribucions) | different image = different name. The "newer" one will therefore be moved to "Milky Way 2008" |
20:47, 4 juny 2008 | ![]() | 5.600 × 5.600 (4,35 Mo) | Ashill (discussió | contribucions) | {{Information |Description= Like early explorers mapping the continents of our globe, astronomers are busy charting the spiral structure of our galaxy, the Milky Way. Using infrared images from NASA's Spitzer Space Telescope, scientists have discovered th | |
08:01, 16 set 2005 | ![]() | 1.350 × 1.350 (955 Ko) | Shizhao (discussió | contribucions) | Barred Spiral Milky Way Illustration Credit: R. Hurt (SSC), JPL-Caltech, NASA From http://apod.gsfc.nasa.gov/apod/ap050825.html {{PD-USGov-NASA}} |
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Les 15 pàgines següents utilitzen aquest fitxer:
- User:Jacopo Werther/Favourites
- User talk:Cmglee/archive2019
- Commons:Featured picture candidates/Image:Milky Way 2005.jpg
- Commons:Featured picture candidates/Log/October 2005
- File:Artist’s impression of the Milky Way.jpg
- File:Milky Way 2005.jpg
- File:Milky Way 2008.jpg
- File:Milky Way 2010.jpg
- File:Milky Way Arms ssc2008-10.svg
- File:Milky Way Arms ssc2008-10 ca.svg
- File:Milky Way full annotated russian.jpg
- File:OrionSpur.png
- File:OrionSpurGlobal.png
- File:Star Trek kvadranty galaxie.jpg
- File:The Galaxy.jpg
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- Wikipedia:Voorbladartikels 2006
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- Wikipedia:Voorbladartikel week 9 2006
- Gebruiker:Voyageur
- Sjabloon:Melkweg
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- Canes Venatici I-dwergsterrestelsel
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- Canis Major-dwergsterrestelsel
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- Ursa Minor-dwergsterrestelsel
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- Scutum-Centaurus-arm
- Perseus-arm
- Norma-Cygnus-arm
- Orion-Cygnus-arm
- Carina-Sagittarius-arm
- Magellaanse Brug
- Segue 3
- Willman 1
- Koposov I
- Koposov II
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