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James Webb Space telescope Official NASA poster of Stephan's Quintet/ HCH 92.

Currency:GBP Category:Collectibles Start Price:NA Estimated At:30.00 - 40.00 GBP
James Webb Space telescope Official NASA poster of Stephan's Quintet/ HCH 92.


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Official James Webb Space Telescope poster, 16x12 inches -
This portrait of Stephan's Quintet, also known as Hickson Compact Group 92, was taken by the new Wide Field Camera 3 (WFC3) aboard NASA's Hubble Space Telescope. Stephan's Quintet, as the name implies, is a group of five galaxies. The name, however, is a bit of a misnomer. Studies have shown that group member NGC 7320, at upper left, is actually a foreground galaxy about seven times closer to Earth than the rest of the group.

Three of the galaxies have distorted shapes, elongated spiral arms, and long, gaseous tidal tails containing myriad star clusters, proof of their close encounters. These interactions have sparked a frenzy of star birth in the central pair of galaxies. This drama is being played out against a rich backdrop of faraway galaxies.

The image, taken in visible and infrared light, showcases WFC3s broad wavelength range. The colours trace the ages of the stellar populations, showing that star birth occurred at different epochs, stretching over hundreds of millions of years. The cameras infrared vision also peers through curtains of dust to see groupings of stars that cannot be seen in visible light.