Restr:The scale of the Universe.jpg
Restr orin (4 137 × 3 306 piksel, ment ar restr : 10,1 Mio, seurt MIME : image/jpeg)
Tennet eo ar restr-mañ eus Wikimedia Commons ha gallout a ra bezañ implijet evit raktresoù all. Diskouezet eo deskrivadur he fajenn zeskrivañ amañ dindan. |
Diverradur
DeskrivadurThe scale of the Universe.jpg |
English: This bundle of bright stars and dark dust is a dwarf spiral galaxy known as NGC 4605, located around 16 million light-years away in the constellation of Ursa Major (The Great Bear). This galaxy’s spiral structure is not obvious from this image, but NGC 4605 is classified as an SBc type galaxy — meaning that it has sprawling, loosely wound arms and a bright bar of stars cutting through its centre.
NGC 4605 is a member of the Messier 81 group of galaxies, a gathering of bright galaxies including its namesake Messier 81 (heic0710), and the well-known Messier 82 (heic0604a). Galaxy groups like this usually contain around 50 galaxies, all loosely bound together by gravity. This group is famous for its unusual members, many of which formed from collisions between galaxies. With its somewhat unusual form, NGC 4605 fits in well with the family of perturbed galaxies in the M81 group, although the origin of its abnormal features is not yet clear. The Messier 81 group is one of the nearest groups to our own, the Local Group, which houses the Milky Way and some of its well-known neighbours, including the Andromeda Galaxy and the Magellanic Clouds. Galaxy groups provide environments where galaxies can evolve through interactions like collisions and mergers. These galaxy groups are then lumped together into even larger gatherings of galaxies known as clusters and superclusters. The Local and Messier 81 groups both belong to the Virgo Supercluster, a large and massive collection of some 100 galaxy groups and clusters. With so many galaxies swarming around, NGC 4605 may seem unremarkable. However, astronomers are using this galaxy to test our knowledge of stellar evolution. The newly-formed stars in NGC 4605 are being used to investigate how interactions between galaxies affect the formation, evolution, and behaviour of the stars within, how bright stellar nurseries come together to form stellar clusters and stellar associations, and how these stars evolve over time. And that's not all — NGC 4605 is also proving to be a good testing ground for dark matter. Our theories on this hypothetical type of matter have had good success at describing how the Universe looks and behaves on a large scale — for example at the galaxy supercluster level — but when looking at individual galaxies, they have run into problems. Observations of NGC 4605 show that the way in which dark matter is spread throughout its halo is not quite as these models predict. While intriguing, observations in this area are still inconclusive, leaving astronomers to ponder over the contents of the Universe. |
Deiziad | |
Mammenn | http://www.spacetelescope.org/images/potw1418a/ |
Aozer |
ESA/Hubble & NASA Acknowledgement: D. Calzetti (University of Massachusetts) and the LEGUS Team |
Aotre-implijout
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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- Gallout a rit :
- eskemm – eilañ, skignañ ha treuzkas an oberenn-mañ
- kemmañ – azasaat an oberenn-mañ
- diouzh ma heuilhit kement-mañ :
- deroadenn – Rankout a rit reiñ an titouroù perc'henniezh rekis diwar-benn an aozer, pourchas ul liamm war-zu an aotre-implijout ha merkañ hag-eñ ez eus bet graet kemmoù. Gallout a rit en ober en un doare reizh met hep lakaat da grediñ ez oc'h bet aprouet gantañ pe ez eo aprouet gantañ implij an oberenn-mañ.
Items portrayed in this file
diskouez a ra
5 Mae 2014
Istor ar restr
Klikañ war un deiziad/eur da welet ar restr evel ma oa da neuze.
Deiziad/Eur | Munud | Mentoù | Implijer | Notenn | |
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red | 10 Mae 2014 da 00:26 | 4 137 × 3 306 (10,1 Mio) | Jmencisom | User created page with UploadWizard |
Implij ar restr
Implijout a ra ar bajenn da heul ar restr-mañ :
Implij hollek ar restr
Ober a ra ar wikioù da-heul gant ar restr-mañ :
- Implij war ar.wikipedia.org
- Implij war az.wikipedia.org
- Implij war ce.wikipedia.org
- Implij war cs.wikipedia.org
- Implij war diq.wikipedia.org
- Implij war el.wikipedia.org
- Implij war en.wikipedia.org
- Implij war eu.wikipedia.org
- Implij war fr.wikipedia.org
- Implij war it.wikipedia.org
- Implij war mg.wikipedia.org
- Implij war my.wikipedia.org
- Implij war pl.wikipedia.org
- Implij war simple.wikipedia.org
- Implij war tr.wikipedia.org
- Implij war tt.wikipedia.org
- Implij war www.wikidata.org
- Implij war zh.wikipedia.org
Metaroadennoù
Titouroù ouzhpenn zo er restr-mañ; bet lakaet moarvat gant ar c'hamera niverel pe ar skanner implijet evit he niverelaat. Mard eo bet cheñchet ar skeudenn e-keñver he stad orin marteze ne vo ket kenkoulz munudoù zo e-keñver ar skeudenn kemmet.
Mammenn | ESA/Hubble |
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Kred/Pourvezer | ESA/Hubble & NASAAcknowledgement: D. Calzetti (University of Massachusetts) and the LEGUS Team |
Titl ar skeudenn |
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Titl berr |
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Termenoù implijout |
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Deiziad hag eur ar sevel roadoù | 5 Mae 2014 da 10:00 |
Meziant bet implijet | Adobe Photoshop CS6 (Windows) |
ID nemetañ an teul orin | xmp.did:5B19F145BD1FE311B267F2E2F76B27EE |
Gerioù alc'hwez | NGC 4605 |
Titouroù diwar-benn an darempred |
http://www.spacetelescope.org/ Karl-Schwarzschild-Strasse 2 Garching bei München, , D-85748 Germany |