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Sažetak
| Opis |
A "God's view" map of Milky Way as seen from far Galactic North (in Coma Berenices). The star-like lines center in a yellow dot representing the position of Sun. The spokes of that "star" are marked with constellation abbreviations:
The spiral arms are colored differently in order to highlight what structure belongs to which arm. H II regions are marked as dots colored in the same color as their spiral arm. They come in three sizes, measured by the excitation parameter U:
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A redevelopment of Image:Milky Way Arms-Hypothetical.png: details about method below. |
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| Autor | User:Rursus | ||||||||||||||||||||||||
| Ostale inačice |
Radovi izvedeni od ove datoteke: Milky Way Arms.png
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Method
The original image, Image:Milky Way Arms-Hypothetical.png, was dloaded and rotated by gimp, so that Sun is up, as is custom on Milky Way "God's view" maps. The image is then saved and imported into inkscape, and used as a template for vector editing by hand. Thereafter added:
| a. | 30° sectors around Sun, named for constellation in that direction in the galactic plane, | dbl check! |
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| b. | names for MW arms as per YUL89YYZ/Ctachme | Checked with [1][2][3] |
| c. | HII-regions registered by radio and optical, as per Krisciunas/Yenne, | secondary sources |
| d. | center of galaxy and galaxy bar, | Checked with [1] |
| e. | intensity maxima of arms, as per Krisciunas/Yenne | secondary sources |
References
- ↑ a b Momany, Zaggia, Gilmore, Piotto, Carraro, Bedin, Angeli, A&A press release, Released on March 16th, 2006, Last retrieved: 9 jun 2007
- ↑ Solstation.com: Outer Disk Ring?, review of a letter to New Scientist from Naomi McClure-Griffiths et al. (Both latest retrieved 9 Jun 2007)
- ↑ newscientist.com - Jenny Hogan: Milky Way spiral gets an extra arm, last retrieved 9 jun 2007
Licencija
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Dozvoljava se umnožavanje, dijeljenje i/ili mijenjanje ovog dokumenta pod uvjetima GNU-ove licence za slobodnu dokumentaciju, inačica 1.2 ili kasnija ako ju je objavio Free Software Foundation; bez nepromjenjivih ili obveznih dijelova i bez teksta na naslovnoj i/ili posljednjoj stranici. Kopija licencije je uključena u odjeljak naslovljen GNU-ove licence za slobodnu dokumentaciju. |
  
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Ova datoteka je licencirana pod Creative Commons Imenovanje-Dijeli pod istim uvjetima 3.0 nelokaliziranom licencijom. | |
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| Ova oznaka za licenciranje dodana je datoteci kao dio GFDL ažuriranja licnciranja. |
Povijest datoteke
Kliknite na datum/vrijeme kako biste vidjeli datoteku kakva je tada bila.
| Datum/Vrijeme | Minijatura | Dimenzije | Suradnik | Komentar | |
|---|---|---|---|---|---|
| sadašnja | 16:07, 4. studeni 2025. | | 512 × 483 (29 KB) | wikimediacommons>Marnanel | images of text to text; sorted objects into named layers; optimised with scour |
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