Datei:NGC3198 - Iotw2035a.jpg
Originaldatei (3.168 × 2.485 Pixel, Dateigröße: 2,58 MB, MIME-Typ: image/jpeg)
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Beschreibung
| Beschreibung |
English: A Lonely Spiral in a Tapestry of Galaxies
Accurately measuring the distance to an astronomical object — everything from our own Sun to galaxies such as NGC 3198 — is an age-old challenge for astronomers, and requires a combination of measurements and methods. The galaxy at the heart of this image has played a part in this astronomical undertaking by allowing astronomers to calibrate astronomical distance measurements based on a type of variable star known as a Cepheid variable. Credit: KPNO/NOIRLab/NSF/AURA. Acknowledgments: PI: M T. Patterson (New Mexico State University) Image processing: Travis Rector (University of Alaska Anchorage), Mahdi Zamani & Davide de Martin |
| Datum | Aug. 26, 2020, 10:02 a.m. |
| Quelle | https://noirlab.edu/public/images/iotw2035a/ |
| Urheber |
Credit: KPNO/NOIRLab/NSF/AURA.
PI: M T. Patterson (New Mexico State University) Image processing: Travis Rector (University of Alaska Anchorage), Mahdi Zamani & Davide de Martin |
Lizenz
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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. |
  Diese Datei ist lizenziert unter der Creative-Commons-Lizenz „Namensnennung 4.0 international“.
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| Version vom | Vorschaubild | Maße | Benutzer | Kommentar | |
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| aktuell | 19:11, 9. Nov. 2021 | | 3.168 × 2.485 (2,58 MB) | Fabian RRRR | {{Information |description={{en|1='''A Lonely Spiral in a Tapestry of Galaxies This stunning image features NGC 3198, a galaxy that lies about 47 million light-years away in the constellation Ursa Major. This image was taken with the Mosaic instrument on the 4-meter Nicholas U. Mayall Telescope at Kitt Peak National Observatory, a Program of NSF’s NOIRLab, and shows the full extent of the galaxy, from the bright central bulge to the tenuous outer reaches of the tightly-wound spiral arms. Al... |
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