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Revision as of 22:41, 14 December 2024 by Masterhatch (talk | contribs) (Sd)(diff) ← Previous revision | Latest revision (diff) | Newer revision → (diff) A galaxy cluster in the constellation Ursa Major | This article relies largely or entirely on a single source. Relevant discussion may be found on the talk page. Please help improve this article by introducing citations to additional sources. Find sources: "SDSS J1038+4849" – news · newspapers · books · scholar · JSTOR (December 2024) |
SDSS J1038+4849 is a galaxy cluster in the constellation Ursa Major, famous for its appearance as a "smiley face." This is caused by a phenomenon known as gravitational lensing.
References
- "Hubble Sees a Smiling Lens - NASA Science". science.nasa.gov.