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Home The galaxy cluster SDSS J1110+6459 is located about 6 billion light-years from Earth and contains hundreds of galaxies. At left, a distinctive blue arc is actually composed of three separate images of a more distant background galaxy called SGAS J111020.0+645950.8. The background galaxy has been magnified, distorted, and multiply imaged by the gravity of the galaxy cluster in a process known as gravitational lensing. (NASA, ESA, and T. Johnson (University of Michigan)) The galaxy cluster SDSS J1110+6459 is located about 6 billion light-years from Earth and contains hundreds of galaxies. At left, a distinctive blue arc is actually composed of three separate images of a more distant background galaxy called SGAS J111020.0+645950.8. The background galaxy has been magnified, distorted, and multiply imaged by the gravity of the galaxy cluster in a process known as gravitational lensing. (NASA, ESA, and T. Johnson (University of Michigan))

The galaxy cluster SDSS J1110+6459 is located about 6 billion light-years from Earth and contains hundreds of galaxies. At left, a distinctive blue arc is actually composed of three separate images of a more distant background galaxy called SGAS J111020.0+645950.8. The background galaxy has been magnified, distorted, and multiply imaged by the gravity of the galaxy cluster in a process known as gravitational lensing. (NASA, ESA, and T. Johnson (University of Michigan))

The galaxy cluster SDSS J1110+6459 is located about 6 billion light-years from Earth and contains hundreds of galaxies. At left, a distinctive blue arc is actually composed of three separate images of a more distant background galaxy called SGAS J111020.0+645950.8. The background galaxy has been magnified, distorted, and multiply imaged by the gravity of the galaxy cluster in a process known as gravitational lensing. (NASA, ESA, and T. Johnson (University of Michigan))

The galaxy cluster SDSS J1110+6459 is located about 6 billion light-years from Earth and contains hundreds of galaxies. At left, a distinctive blue arc is actually composed of three separate images of a more distant background galaxy called SGAS J111020.0+645950.8. The background galaxy has been magnified, distorted, and multiply imaged by the gravity of the galaxy cluster in a process known as gravitational lensing. (NASA, ESA, and T. Johnson (University of Michigan))

In this Hubble photograph of a distant galaxy cluster, a spotty blue arc stands out against a background of red galaxies. That arc is actually three separate images of the same background galaxy. The background galaxy has been gravitationally lensed, its light magnified and distorted by the intervening galaxy cluster. On the right: How the galaxy would look to Hubble without distortions. (NASA, ESA, and T. Johnson (University of Michigan)
This artist’s illustration portrays what the gravitationally lensed galaxy SDSS J1110+6459 might look like up close. A sea of young, blue stars is streaked with dark dust lanes and studded with bright pink patches that mark sites of star formation. The patches’ signature glow comes from ionized hydrogen, like we see in the Orion Nebula in our own galaxy. (NASA, ESA, and Z. Levay (STScI))