File:UDFj-39546284, Most Distant Galaxy Candidate Ever Seen in Universe.jpg
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Summary[edit]
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English: Most Distant Galaxy Candidate Ever Seen in Universe - The farthest and one of the very earliest galaxies ever seen in the universe appears as a faint red blob in this ultra-deep–field exposure taken with NASA's Hubble Space Telescope. This is the deepest infrared image taken of the universe. Based on the object's color, astronomers believe it is 13.2 billion light-years away.
The most distant objects in the universe appear extremely red because their light is stretched to longer, redder wavelengths by the expansion of the universe. This object is at an extremely faint magnitude of 29, which is 500 million times fainter that the faintest stars seen by the human eye. The dim object is a compact galaxy of blue stars that existed 480 million years after the Big Bang, only four percent of the universe's current age. It is tiny and considered a building block of today's giant galaxies. Over one hundred such mini-galaxies would be needed to make up our Milky Way galaxy. The Hubble Ultra Deep Field infrared exposures were taken in 2009 and 2010, and required a total of 111 orbits or 8 days of observing. The new Wide Field Camera 3 has the sharpness and near-infrared light sensitivity that matches the Advanced Camera for Surveys' optical images and allows for such a faint object to be selected from the thousands of other galaxies in the incredibly deep images of the Hubble Ultra Deep Field.Čeština: snímek pořízený vesmírným teleskopem Hubble. Je na něm zobrazen doposud nejvzdálenější pozorovaný objekt ve vesmíru vzdálený od Země 13,2 miliardy světelných let. |
| Date | between 2009 and 2010 |
| Source | http://www.nasa.gov/mission_pages/hubble/science/ancient-object-gallery.html |
| Author | NASA, ESA, G. Illingworth (University of California, Santa Cruz), R. Bouwens (University of California, Santa Cruz and Leiden University), and the HUDF09 Team |
Licensing[edit]
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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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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 19:46, 29 January 2011 | | 2,896 × 1,808 (470 KB) | LuisArmandoRasteletti (talk | contribs) | {{Information |Description ={{en|1=Most Distant Galaxy Candidate Ever Seen in Universe}} |Source =http://www.nasa.gov/mission_pages/hubble/science/ancient-object-gallery.html |Author =NASA |Date =1-26-2011 |Permission = |o |
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