English: The Cloverleaf Quasar, so named because it is actually a single object appearing as four, courtesy of gravitational lensing. In this phenomenon, foreground galaxies bend and magnify the distant quasar's light into four point sources of illumination.
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Image title
The Cloverleaf Quasar, so named because it is actually a single object appearing as four, courtesy of gravitational lensing. In this phenomenon, foreground galaxies bend and magnify the distant quasar's light into four point sources of illumination.
Credit/Provider
ESO
Source
European Southern Observatory
Short title
The Cloverleaf quasar
Usage terms
Creative Commons Attribution 4.0 International License