File:Iotw2233a Destined to Collide.jpg
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English: The Triangulum Galaxy, otherwise known as Messier 33, lies almost 3 million light-years from Earth, and is a near neighbor of the Andromeda Galaxy. The galaxy is imaged here by the Nicholas U. Mayall 4-meter Telescope, located at Kitt Peak National Observatory (KPNO), a Program of NSF’s NOIRLab. The Triangulum Galaxy is the third-largest member of the Local Group, a cluster of galaxies that includes our Milky Way and its closest neighbors. The Andromeda Galaxy is the largest member. The Triangulum Galaxy and Andromeda Galaxy have history together, but astronomers are still investigating the details. Their close proximity has caused some researchers to suggest that Triangulum is a satellite of the Andromeda Galaxy, not unlike the way the Moon is a satellite of the Earth — just on a much, much bigger scale. Alternatively, some researchers propose that these two galaxies may be independent and have simply brushed past each other, as evidenced by streams of stars and neutral hydrogen gas linking the two galaxies. However they have interacted, it’s probable that they will dramatically collide in 2.5 billion years, resulting in their consolidation and eventual evolution into a lenticular galaxy. |
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| Source | https://noirlab.edu/public/images/iotw2233a/ |
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KPNO/NOIRLab/NSF/AURA Data obtained and processed by: P. Massey (Lowell Obs.), G. Jacoby, K. Olsen, & C. Smith (AURA/NSF) Image processing: M. Zamani (NSF’s NOIRLab), A. Hussein (NSF’s NOIRLab) & D. de Martin (NSF’s NOIRLab) |
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This media was created by the National Optical-Infrared Astronomy Research Laboratory (NOIRLab).
Their website states: "Unless specifically noted, the images, videos, and music distributed on the public NOIRLab website, along with the texts of press releases, announcements, images of the week and captions; are licensed under a Creative Commons Attribution 4.0 International License, and may on a non-exclusive basis be reproduced without fee provided the credit is clear and visible." To the uploader: You must provide a link (URL) to the original file and the authorship information if available. |
  This file is licensed under the Creative Commons Attribution 4.0 International license.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 19:35, 22 June 2023 | | 7,968 × 7,899 (32.3 MB) | C messier (talk | contribs) | full size |
| 20:29, 16 December 2022 |  | 1,280 × 1,269 (570 KB) | Pandreve (talk | contribs) | Uploaded a work by KPNO/NOIRLab/NSF/AURA Data obtained and processed by: P. Massey (Lowell Obs.), G. Jacoby, K. Olsen, & C. Smith (AURA/NSF) Image processing: M. Zamani (NSF’s NOIRLab), A. Hussein (NSF’s NOIRLab) & D. de Martin (NSF’s NOIRLab) from https://noirlab.edu/public/images/iotw2233a/ with UploadWizard |
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