File:Cartwheel Galaxy (NIRCam only) (52259483705).png
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Summary
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| Description |
This image of the Cartwheel and its companion galaxies is from Webb’s Near-Infrared Camera (NIRCam). 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 colorful outer ring. Both rings expand outward from the center 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. In this near-infrared image, NIRCam data are colored blue, orange, and yellow. 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 the 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. Image credit: NASA, ESA, CSA, STScI Image description: A large galaxy on the right, with two smaller companion galaxies to the left 10 o’clock & 9 o’clock. The large galaxy dominates the frame. It resembles a ghostly wheel with diffuse blue-white spokes revolving around a glowing core. The outer edges of the wheel are faint dots of yellow, pink and blue, with some gaps in between. The bottom right edge is marked by a large 8-pointed star. The smaller galaxies on the left look very different from each other. The top galaxy appears to be constructed of the same yellow, pink, & blue speckles as the larger galaxy’s outer ring, with a similar light blue core. Its shape is less recognizable as a spiral; it looks like a chaotic oval smattering of dots. The galaxy below it glows blueish, but its nucleus and spiral structure are apparent, and we are looking at it face-on. Sprinkled in the black background are specks of pink, blue, yellow & orange, which are distant galaxies. |
| Date | |
| Source | Cartwheel Galaxy (NIRCam only) |
| Author | NASA's James Webb Space Telescope from Greenbelt, MD, USA |
Licensing
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This image was originally posted to Flickr by James Webb Space Telescope at https://flickr.com/photos/50785054@N03/52259483705. It was reviewed on 6 June 2023 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
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| current | 21:03, 6 June 2023 | | 4,685 × 4,312 (30.54 MB) | Astromessier (talk | contribs) | Transferred from Flickr via #flickr2commons |
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