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Cartwheel Galaxy (NIRCam and MIRI Composite Image) (weic2211a)
2 August 2022 (upload date)
- Classification
- Photograph
- Museum
- Wikimedia Commons
- Credit line
- This media was produced by the James Webb Space Telescope and shared by the European Space Agency, under the identifier weic2211a This tag does not indicate the copyright status of the attached work. A normal copyright tag is still…
- Rights
- Public domain, as the museum states it.
- Who can see it
- Teens profiles and older: its museum says too little about what it shows to place it for younger viewers. How works are placed
About this work
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…
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