Delwedd:Potw1505a.tif
Maint llawn (4,042 × 2,009 picsel, maint ffeil: 13.12 MB, math MIME: image/tiff, 2 tudalen)
Crynodeb
| Disgrifiad |
English: Dancing on the edge
Galaxies can take many shapes and be oriented any way relative to us in the sky. This can make it hard to figure out their actual morphology, as a galaxy can look very different from different viewpoints. A special case is when we are lucky enough to observe a spiral galaxy directly from its edge, providing us with a spectacular view like the one seen in this picture of the week. This is NGC 7814, also known as the “Little Sombrero”. Its larger namesake the Sombrero Galaxy is another stunning example of an edge-on galaxy — in fact, the “Little Sombrero” is about the same size as its bright namesake at about 60 000 light-years across, but as it lies further away, it appears smaller in the sky. NGC 7814 has a bright central bulge and a bright halo of glowing gas extending outwards into space. The dusty spiral arms appear as dark streaks. they consist of dusty material that absorbs and blocks light from the galactic centre behind it. The field of view of this NASA/ESA Hubble Space Telescope image would be very impressive even without NGC 7814 in front; nearly all the objects seen in this image are galaxies as well. A version of this image was entered into the Hubble’s Hidden Treasures image processing competition by contestant Josh Barrington. Links Josh Barrington’s Hidden Treasures entry on Flickr
Credit: ESA/Hubble & NASA Acknowledgement: Josh Barrington About the Object Name: NGC 7814
Type: • Local Universe : Galaxy : Type : Spiral
• X - Galaxies Images/Videos
Distance: 40 million light years
Constellation: Pegasus
Colours & filters Band Wavelength Telescope Infrared I 814 nm Hubble Space Telescope ACS Optical V 606 nm Hubble Space Telescope ACS. |
| Dyddiad | Release date: 29 January 2015, 16:00 |
| Ffynhonnell | http://www.spacetelescope.org/images/potw1505a/ http://www.spacetelescope.org/static/archives/images/original/potw1505a.tif |
| Awdur |
Credit: ESA/Hubble & NASA Acknowledgement: Josh Barrington |
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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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| Dyddiad / Amser | Bawdlun | Hyd a lled | Defnyddiwr | Sylw | |
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| cyfredol | 18:26, 6 Chwefror 2015 |  | 4,042 × 2,009, 2 dudalen (13.12 MB) | Fabian RRRR | =={{int:filedesc}}== {{Information |description={{en|1=''Dancing on the edge Galaxies can take many shapes and be oriented any way relative to us in the sky. This can make it hard to figure out their actual morphology, as a galaxy can look very differ... |
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