Dosya:Hiding in the night sky.jpg

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Özet

AçıklamaHiding in the night sky.jpg	English: This striking NASA/ESA Hubble Space Telescope image captures the galaxy UGC 477, located just over 110 million light-years away in the constellation of Pisces (The Fish). UGC 477 is a low surface brightness (LSB) galaxy. First proposed in 1976 by Mike Disney, the existence of LSB galaxies was confirmed only in 1986 with the discovery of Malin 1. LSB galaxies like UGC 477 are more diffusely distributed than galaxies such as Andromeda and the Milky Way. With surface brightnesses up to 250 times fainter than the night sky, these galaxies can be incredibly difficult to detect. Most of the matter present in LSB galaxies is in the form of hydrogen gas, rather than stars. Unlike the bulges of normal spiral galaxies, the centres of LSB galaxies do not contain large numbers of stars. Astronomers suspect that this is because LSB galaxies are mainly found in regions devoid of other galaxies, and have therefore experienced fewer galactic interactions and mergers capable of triggering high rates of star formation. LSB galaxies such as UGC 477 instead appear to be dominated by dark matter, making them excellent objects to study to further our understanding of this elusive substance. However, due to an underrepresentation in galactic surveys — caused by their characteristic low brightness — their importance has only been realised relatively recently.
Tarih	4 Nisan 2016, 06:00:00
Kaynak	http://www.spacetelescope.org/images/potw1614a/
Yazar	ESA/Hubble & NASA Acknowledgement: Judy Schmidt (Geckzilla)

Lisanslama

atıf

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atıf – Esere yazar veya lisans sahibi tarafından belirtilen (ancak sizi ya da eseri kullanımınızı desteklediklerini ileri sürmeyecek bir) şekilde atıfta bulunmalısınız.

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	Tarih/Saat	Küçük resim	Boyutlar	Kullanıcı	Yorum
güncel	09.19, 4 Nisan 2016		1.280 × 1.019 (159 KB)	Jmencisom	User created page with UploadWizard

Dosya kullanımı

Bu görüntü dosyasına bağlantısı olan sayfalar:

Küresel dosya kullanımı

Aşağıdaki diğer vikiler bu dosyayı kullanmaktadır:

ar.wikipedia.org üzerinde kullanımı
- UGC 477
de.wikipedia.org üzerinde kullanımı
- PGC 2699
en.wikipedia.org üzerinde kullanımı
- Low surface brightness galaxy
- UGC 477
fr.wikipedia.org üzerinde kullanımı
- Galaxie à faible brillance de surface
it.wikipedia.org üzerinde kullanımı
- UGC 477
- Galassia a bassa luminosità superficiale
my.wikipedia.org üzerinde kullanımı
- UGC 477
pl.wikipedia.org üzerinde kullanımı
- Galaktyka o niskiej jasności powierzchniowej
- UGC 477
uk.wikipedia.org üzerinde kullanımı
- Галактики з низькою поверхневою яскравістю
www.wikidata.org üzerinde kullanımı
- Q24911782

Üstveri

Bu dosyada, muhtemelen fotoğraf makinesi ya da tarayıcı tarafından eklenmiş ek bilgiler mevcuttur. Eğer dosyada sonradan değişiklik yapıldıysa, bazı bilgiler yeni değişikliğe göre eski kalmış olabilir.

Katkı/Sağlayıcı	ESA/Hubble & NASA Acknowledgement: Judy Schmidt (Geckzilla)
Kaynak	ESA/Hubble
Kullanım şartları	Creative Commons Attribution 4.0 International License
Kısa başlık	Hiding in the night sky
Resim başlığı	This striking NASA/ESA Hubble Space Telescope image captures the galaxy UGC 477, located just over 110 million light-years away in the constellation of Pisces (The Fish). UGC 477 is a low surface brightness (LSB) galaxy. First proposed in 1976 by Mike Disney, the existence of LSB galaxies was confirmed only in 1986 with the discovery of Malin 1. LSB galaxies like UGC 477 are more diffusely distributed than galaxies such as Andromeda and the Milky Way. With surface brightnesses up to 250 times fainter than the night sky, these galaxies can be incredibly difficult to detect. Most of the matter present in LSB galaxies is in the form of hydrogen gas, rather than stars. Unlike the bulges of normal spiral galaxies, the centres of LSB galaxies do not contain large numbers of stars. Astronomers suspect that this is because LSB galaxies are mainly found in regions devoid of other galaxies, and have therefore experienced fewer galactic interactions and mergers capable of triggering high rates of star formation. LSB galaxies such as UGC 477 instead appear to be dominated by dark matter, making them excellent objects to study to further our understanding of this elusive substance. However, due to an underrepresentation in galactic surveys — caused by their characteristic low brightness — their importance has only been realised relatively recently.
Verinin ilk yaratılma zamanı	06.00, 4 Nisan 2016
Kullanılan yazılım	Adobe Photoshop CC 2014 (Windows)
Telif hakkı durumu	Telif hakkı durumu belirtilmemiş
Özgün belgenin benzersiz kimliği	xmp.did:8ca71a81-4a2a-7343-a11c-687aa63c3453
İletişim bilgileri	http://www.spacetelescope.org Karl-Schwarzschild-Strasse 2 Garching bei M√ºnchen, , D-85748 Germany
Anahtar kelimeler	UGC 477
IIM sürümü	4

Dosya:Hiding in the night sky.jpg

Özet

Lisanslama

Altyazılar

Bu dosyada gösterilen öğeler

betimlenen

Vikiveri ögesi olmayan bir değer

telif hakkı durumu

telif hakkı alınmış

telif hakkı lisansı

Creative Commons Atıf 4.0 Uluslararası

kuruluşu

4 Nisan 2016

ortam türü

image/jpeg

Dosya geçmişi

Dosya kullanımı

Küresel dosya kullanımı

Üstveri