File:WLM Dwarf Galaxy - Spitzer, Hubble, and Webb (52488535316).png
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Summary
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| Description |
This galaxy polishes up real nice. 💎 In this brand new image of dwarf galaxy Wolf-Lundmark-Melotte (WLM), the Webb telescope demonstrates its remarkable ability to resolve faint stars outside the Milky Way. It is compared here to Spitzer and Hubble views. Read more: blogs.nasa.gov/webb/2022/11/09/beneath-the-night-sky-in-a... Just 3 million light-years from Earth, WLM is considered a dwarf galaxy in our galactic neighborhood. While it is close, it’s much more isolated than other nearby galaxies, which interact with our own Milky Way. WLM also has a similar chemical makeup to galaxies in the early universe, meaning it’s poor in elements heavier than hydrogen and helium. Because WLM is small and low-mass, supernovae (star explosion) events can be powerful and energetic enough to expel heavier elements out of the galaxy. Taken altogether, these traits make WLM ideal for studying how stars form and evolve in small galaxies, similar to those in the early universe. The science here is complementary to what we learn by looking at the farthest and oldest galaxies, which appear as they were when they first formed. This highlights data from Webb science in progress, which has not yet been through the peer-review process. Credit: NASA, ESA, CSA, STScI, and Kristen McQuinn (Rutgers University) Image description: Three labeled images side by side. On the left is Spitzer’s image, which resembles fuzzy white blotches against a black background. The differences between Hubble (middle) and Webb’s images (right) are more subtle. Both feature countless white stars, but Webb’s view has more sharply defined, colorful background galaxies as well as its characteristic snowflake diffraction spike pattern around particularly bright stars. Countless white stars, interspersed with yellow and orange background galaxies of various shapes, dot the black background. One prominent galaxy is a pale yellow spiral in the top left corner of the image. Another defining feature is a large white star with long diffraction spikes, seen just to the right of the top center. |
| Date | |
| Source | WLM Dwarf Galaxy - Spitzer, Hubble, and Webb |
| 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@N03/52488535316. 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 | 20:43, 6 June 2023 | | 3,768 × 1,256 (8.05 MB) | Astromessier (talk | contribs) | Transferred from Flickr via #flickr2commons |
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