MSGID: 1:317/3 64b220f0   
   PID: hpt/lnx 1.9.0-cur 2019-01-08   
   TID: hpt/lnx 1.9.0-cur 2019-01-08   
    Hubble views a galactic monster    
      
     Date:   
         July 14, 2023   
     Source:   
         NASA/Goddard Space Flight Center   
     Summary:   
         The NASA/ESA Hubble Space Telescope has captured a monster in   
         the making in this observation of the exceptional galaxy cluster   
         eMACS J1353.7+4329, which lies about eight billion light-years from   
         Earth in the constellation Canes Venatici. This collection of at   
         least two galaxy clusters is in the process of merging together   
         to create a cosmic monster, a single gargantuan cluster acting as   
         a gravitational lens.   
      
      
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   The NASA/ESA Hubble Space Telescope has captured a monster in the making   
   in this observation of the exceptional galaxy cluster eMACS J1353.7+4329,   
   which lies about eight billion light-years from Earth in the constellation   
   Canes Venatici. This collection of at least two galaxy clusters is in   
   the process of merging together to create a cosmic monster, a single   
   gargantuan cluster acting as a gravitational lens.   
      
   Gravitational lensing is a dramatic example of Einstein's general theory   
   of relativity in action. A celestial body such as a galaxy cluster is   
   sufficiently massive to distort spacetime, which causes the path of light   
   around the object to be visibly bent as if by a vast lens. Gravitational   
   lensing can also magnify distant objects, allowing astronomers to observe   
   objects that would otherwise be too faint and too far away to be detected.   
      
   It can also distort the images of background galaxies, turning them into   
   streaks of light. The first hints of gravitational lensing are already   
   visible in this image as bright arcs which mingle with the throng of   
   galaxies in eMACS J1353.7+4329.   
      
   The data in this image are drawn from an observing project called   
   Monsters in the Making, which used two of Hubble's instruments to   
   observe five exceptional galaxy clusters at multiple wavelengths. These   
   multi-wavelength observations were made possible by Hubble's Wide Field   
   Camera 3 and Advanced Camera for Surveys.   
      
   The astronomers behind these observations hope to lay the groundwork   
   for future studies of vast gravitational lenses with next-generation   
   telescopes such as the NASA/ESA/CSA James Webb Space Telescope.   
      
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   Related Multimedia:   
       *   
       Hints_of_gravitational_lensing_are_visible_in_this_image_as_bright_arcs   
         which_mingle_with_the_throng_of_galaxies_in_eMACS_J1353.7+4329   
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   Link to news story:   
   https://www.sciencedaily.com/releases/2023/07/230714114758.htm   
      
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