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.
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.
Source: Wikipedia "SDSS J1038+4849" · CC BY-SA 4.0
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