File:Irregular_galaxy_NGC_1427A_(captured_by_the_Hubble_Space_Telescope).jpg
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DescriptionIrregular galaxy NGC 1427A (captured by the Hubble Space Telescope).jpg |
English: The irregular galaxy NGC 1427A will not survive long as an identifiable galaxy, passing through the Fornax cluster at nearly 600 kilometers per second (400 miles per second).
Galaxy clusters, like the Fornax cluster, contain hundreds or even thousands of individual galaxies. Within the Fornax cluster, there is a considerable amount of gas lying between the galaxies. When the gas within NGC 1427A collides with the Fornax gas, it is compressed to the point that it starts to collapse under its own gravity. This leads to formation of the myriad of new stars seen across NGC 1427A, which give the galaxy an overall arrowhead shape that appears to point in the direction of the galaxy's high-velocity motion. The tidal forces of nearby galaxies in the cluster may also play a role in triggering star formation on such a massive scale.
Português: A Galáxia NGC-1427-A é um exemplo típico de uma Galáxia do tipo morfológico Irregular. |
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Date | |||||
Source | https://hubblesite.org/contents/news-releases/2005/news-2005-09.html (direct link) | ||||
Author | NASA, ESA, and The Hubble Heritage Team (STScI/AURA) | ||||
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 14:11, 25 January 2010 | 3,377 × 3,808 (17.75 MB) | Tryphon | Higher resolution, from http://hubblesite.org/newscenter/archive/releases/2005/09/image/a/. | |
21:28, 13 April 2005 | 709 × 800 (69 KB) | Angeloleithold | A Galáxia NGC-1427-A é um exemplo típico de uma Galáxia do tipo morfológico Irregular. {{PD-USGov-NASA}} Category:Galaxies |
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Orientation | Normal |
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Horizontal resolution | 400 dpi |
Vertical resolution | 400 dpi |
Software used | Adobe Photoshop CS Windows |
File change date and time | 10:46, 21 February 2005 |
Color space | Uncalibrated |
Image width | 3,377 px |
Image height | 3,808 px |
Date and time of digitizing | 05:46, 21 February 2005 |
Date metadata was last modified | 05:46, 21 February 2005 |
IIM version | 2 |