k Galactic gravitational lensing, HST image Galactic gravitational lensing, Hubble Space Telescope image. The blue ring surrounding the galaxy yellow is light from another galaxy behind this one. The light from the background galaxy has been lensed by the gravitational field of the foreground galaxy, forming what is known as an Einstein Ring. This galaxys catalogue name is SDSS J232120.93093910.2, indicating that it was discovered by the Sloan Digital Sky Survey SDSS. It is one of eight giant elliptical galaxies with Einstein Rings, all around 2 to 4 billion light years away, that were discovered by the Sloan Lens ACS Survey SLACS, and announced in November 2005. Stock Photo - Afloimages
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Galactic gravitational lensing, HST image Galactic gravitational lensing, Hubble Space Telescope image. The blue ring surrounding the galaxy  yellow  is light from another galaxy behind this one. The light from the background galaxy has been lensed by the gravitational field of the foreground galaxy, forming what is known as an Einstein Ring. This galaxy s catalogue name is SDSS J232120.93 093910.2, indicating that it was discovered by the Sloan Digital Sky Survey  SDSS . It is one of eight giant elliptical galaxies with Einstein Rings, all around 2 to 4 billion light years away, that were discovered by the Sloan Lens ACS Survey  SLACS , and announced in November 2005.
RM

Galactic gravitational lensing, HST image

Galactic gravitational lensing, Hubble Space Telescope image. The blue ring surrounding the galaxy (yellow) is light from another galaxy behind this one. The light from the background galaxy has been lensed by the gravitational field of the foreground galaxy, forming what is known as an Einstein Ring. This galaxy's catalogue name is SDSS J232120.93-093910.2, indicating that it was discovered by the Sloan Digital Sky Survey (SDSS). It is one of eight giant elliptical galaxies with Einstein Rings, all around 2 to 4 billion light years away, that were discovered by the Sloan Lens ACS Survey (SLACS), and announced in November 2005.

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