Rakitra niaviana(1 600 × 1 480 teboka, haben'ilay rakitra : 215 kio, endrika MIME : image/jpeg)

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English: Roberts Quartet is a family of four very different galaxies, located at a distance of about 160 million light-years, close to the centre of the southern constellation of the Phoenix. Its members are NGC 87, NGC 88, NGC 89 and NGC 92, discovered by John Herschel in the 1830s. NGC 87 (upper right) is an irregular galaxy similar to the satellites of our Milky Way, the Magellanic Clouds. NGC 88 (centre) is a spiral galaxy with an external diffuse envelope, most probably composed of gas. NGC 89 (lower middle) is another spiral galaxy with two large spiral arms. The largest member of the system, NGC 92 (left), is a spiral Sa galaxy with an unusual appearance. One of its arms, about 100,000 light-years long, has been distorted by interactions and contains a large quantity of dust.

ID: phot-34a-05

Press: 34/05

Object: NGC 87, NGC 88, NGC 89, NGC 92

Credit: ESO
Loharano http://www.eso.org/gallery/v/ESOPIA/Galaxies/phot-34a-05-fullres.tif.html
Mpamorona azy ESO
Versiona hafa http://www.eso.org/gallery/d/28486-6/phot-34a-05-fullres.tif 1825x1688 7567 kB TIFF

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ankehitriny28 Aprily 2009 à 19:39Vignette ho an'ny 28 Aprily 2009 à 19:391 600 × 1 480 (215 kio)Fabian RRRR{{Information |Description={{en|1=Robert''s Quartet is a family of four very different galaxies, located at a distance of about 160 million light-years, close to the centre of the southern constellation of the Phoenix. Its members are NGC 87, NGC 88, NGC

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