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Revision as of 04:56, 14 December 2024 editWikishovel (talk | contribs)Extended confirmed users, Page movers, New page reviewers95,358 edits Filled in 1 bare reference(s) with reFill 2← Previous edit Latest revision as of 20:02, 17 December 2024 edit undoGhostInTheMachine (talk | contribs)Extended confirmed users, Page movers86,485 edits Changing short description from "A galaxy cluster in the constellation Ursa Major" to "Galaxy cluster in the constellation Ursa Major"Tag: Shortdesc helper 
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{{Short description|Galaxy cluster in the constellation Ursa Major}}
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'''SDSS J1038+4849''' is a galaxy cluster in the constellation ], famous for its appearance as a "]." This is caused by a phenomenon known as ].<ref>{{Cite web|url=https://science.nasa.gov/missions/hubble/hubble-sees-a-smiling-lens|title=Hubble Sees a Smiling Lens - NASA Science|website=science.nasa.gov}}</ref> '''SDSS J1038+4849''' is a galaxy cluster 4.5 billion ] away in the constellation ], famous for its appearance as a ]. The yellow eyes and white nose are distant galaxies, while the smile and border are caused by ].<ref>{{Cite web|url=https://science.nasa.gov/missions/hubble/hubble-sees-a-smiling-lens|title=Hubble Sees a Smiling Lens - NASA Science|website=science.nasa.gov}}</ref> <ref name = weisner>Wiesner, M. P. (2010). On the properties of ten strong-lensing systems found in the Sloan Digital Sky Survey (Master's thesis, Northern Illinois University).</ref>


==References== ==References==
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Latest revision as of 20:02, 17 December 2024

Galaxy cluster in the constellation Ursa Major

SDSS J1038+4849 is a galaxy cluster 4.5 billion light-years away in the constellation Ursa Major, famous for its appearance as a smiley face. The yellow eyes and white nose are distant galaxies, while the smile and border are caused by gravitational lensing.

References

  1. "Hubble Sees a Smiling Lens - NASA Science". science.nasa.gov.
  2. Wiesner, M. P. (2010). On the properties of ten strong-lensing systems found in the Sloan Digital Sky Survey (Master's thesis, Northern Illinois University).
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