Ficheiro:NGC 3259 by Hubble.jpg

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Descrição
English: This classic shot of a galaxy in the constellation of Ursa Major was taken by the NASA/ESA Hubble Space Telescope. NGC 3259 is a bright barred spiral galaxy located approximately 110 million light-years from Earth.

Being a fully-formed active galaxy, its bright central bulge hosts a supermassive black hole, whose huge appetite for matter explains the high luminosity of the galaxy’s core: as it devours its surroundings, the black hole emits intense radiation across the whole electromagnetic spectrum, including in visible light.

The beautiful spiral arms of the galaxy are not left out either as they contain dark lanes of dust and gas, ideal spawning grounds for stars. These bright, young, hot stars appear in rich clusters in the galaxy’s arms and are what gives the galaxy its blueish hue.

Interestingly, the galaxy has a small companion (visible to the left of the image), a much smaller galaxy named LEDA 213712 that may be orbiting NGC 3259. In the background, numerous distant galaxies can be seen, easily identifiable by their elliptical shapes. They are visible here mainly in infrared light, which is shown in red in this image.

About the object
Object name NGC 3259
Object description Barred spiral galaxy
Position (J2000) 10 32 34.816
+65 02 27.79
Constellation Ursa Major
Distance 110 million light-years (33.7 million parsecs)
About the data
Data description
Instrument ACS
Exposure date(s)
Exposure time
Filters F435W (B) and F814W (I)
Data
Origem http://www.spacetelescope.org/images/potw1202a/ (direct link)
Autor ESA/Hubble & NASA

Licenciamento

Public domain This file is in the public domain because it was created by NASA and ESA. NASA Hubble material (and ESA Hubble material prior to 2009) is copyright-free and may be freely used as in the public domain without fee, on the condition that only NASA, STScI, and/or ESA is credited as the source of the material. This license does not apply if ESA material created after 2008 or source material from other organizations is in use.
The material was created for NASA by Space Telescope Science Institute under Contract NAS5-26555, or for ESA by the Hubble European Space Agency Information Centre. Copyright statement at hubblesite.org or 2008 copyright statement at spacetelescope.org. For material created by the European Space Agency on the spacetelescope.org site since 2009, use the {{ESA-Hubble}} tag.

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Data e horaMiniaturaDimensõesUtilizadorComentário
atual12h06min de 9 de janeiro de 2012Miniatura da versão das 12h06min de 9 de janeiro de 20123 730 × 1 961 (3,25 MB)Huntster{{Information |Description={{en|1=This classic shot of a galaxy in the constellation of Ursa Major was taken by the NASA/ESA Hubble Space Telescope. NGC 3259 is a bright barred spiral galaxy located approximately 110 million light-years from Earth. Being

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