File:Cartwheel Galaxy (NIRCam and MIRI Composite Image) (weic2211a).jpeg
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Description
[modifier]DescriptionCartwheel Galaxy (NIRCam and MIRI Composite Image) (weic2211a).jpeg |
English: This image of the Cartwheel and its companion galaxies is a composite from Webb’s Near-Infrared Camera (NIRCam) and Mid-Infrared Instrument (MIRI), which reveals details that are difficult to see in the individual images alone. This galaxy formed as the result of a high-speed collision that occurred about 400 million years ago. The Cartwheel is composed of two rings, a bright inner ring and a colourful outer ring. Both rings expand outward from the centre of the collision like shockwaves. However, despite the impact, much of the character of the large, spiral galaxy that existed before the collision remains, including its rotating arms. This leads to the “spokes” that inspired the name of the Cartwheel Galaxy, which are the bright red streaks seen between the inner and outer rings. These brilliant red hues, located not only throughout the Cartwheel, but also the companion spiral galaxy at the top left, are caused by glowing, hydrocarbon-rich dust. In this near- and mid-infrared composite image, MIRI data are coloured red while NIRCam data are coloured blue, orange, and yellow. Amidst the red swirls of dust, there are many individual blue dots, which represent individual stars or pockets of star formation. NIRCam also defines the difference between the older star populations and dense dust in the core and the younger star populations outside of it. Webb’s observations capture Cartwheel in a very transitory stage. The form that the Cartwheel Galaxy will eventually take, given these two competing forces, is still a mystery. However, this snapshot provides perspective on what happened to the galaxy in the past and what it will do in the future.<a href="https://esawebb.org/about/instruments/nircam-niriss/">NIRCam</a> was built by a team at the University of Arizona and Lockheed Martin’s Advanced Technology Center.<a href="https://esawebb.org/about/instruments/miri/">MIRI</a> was contributed by ESA and NASA, with the instrument designed and built by a consortium of nationally funded European Institutes (the MIRI European Consortium) in partnership with JPL and the University of Arizona. |
Date | 2 août 2022 (date de téléversement) |
Source | Cartwheel Galaxy (NIRCam and MIRI Composite Image) |
Auteur | NASA, ESA, CSA, STScI |
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Distinctions
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This image was selected as picture of the day on Vietnamese Wikipedia for 30 May 2023.
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Conditions d’utilisation
[modifier]Public domainPublic domainfalsefalse |
This file is in the public domain because it was created by NASA, ESA and CSA. NASA Webb material 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/CSA is credited as the source of the material. This license does not apply if source material from other organizations is in use. The material was created for NASA by Space Telescope Science Institute under Contract NAS5-03127. Copyright statement at webbtelescope.org. For material created by the European Space Agency on the esawebb.org site, use the {{ESA-Webb}} tag. |
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actuel | 14 novembre 2022 à 20:59 | 4 685 × 4 312 (5,55 Mio) | OptimusPrimeBot (d | contributions) | #Spacemedia - Upload of https://cdn.esawebb.org/archives/images/large/weic2211a.jpg via Commons:Spacemedia |
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Métadonnées
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Auteur | Space Telescope Science Institute Office of Public Outreach |
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Crédit ou fournisseur | NASA/ESA/CSA/STScI and the ERO Implementation Team |
Source | STScI |
Conditions d’utilisation | |
Espace colorimétrique | Non calibré |
Coordonnées de contact | outreach@stsci.edu
3700 San Martin Drive 21218 Baltimore, MD USA |
Mots-clés |
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Date et heure de la numérisation | 20 juin 2022 à 11:46 |
Logiciel utilisé | Adobe Photoshop 23.3 (Macintosh) |
Date de la dernière modification des métadonnées | 19 juillet 2022 à 09:17 |
Date de modification du fichier | 18 juillet 2022 à 13:55 |
Identifiant unique du document original | xmp.did:207575a1-7746-4f9a-8d7c-279659dc294e |