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  • Released Tuesday, January 28, 2014
  • Updated Thursday, December 3, 2015 at 12:35PM
  • ID: 11445
Enormous groups of galaxies clue scientists in to the expansion of the universe.

Enormous groups of galaxies clue scientists in to the expansion of the universe.

How does it feel to fly through a galaxy cluster? Watch this animation to find out.

Galaxy cluster MACS J0717 is located about 5.4 billion light-years from Earth.

Galaxy cluster MACS J0717 is located about 5.4 billion light-years from Earth.

MACS J0025 was born when two galaxy clusters, each almost a million billion times the mass of the sun, collided and merged.

MACS J0025 was born when two galaxy clusters, each almost a million billion times the mass of the sun, collided and merged.

Abell 1689, which contains about a thousand galaxies and trillions of stars, is so enormous that it bends and warps the space around it.

Abell 1689, which contains about a thousand galaxies and trillions of stars, is so enormous that it bends and warps the space around it.

Credits

Please give credit for this item to:
NASA's Scientific Visualization Studio
Cover image courtesy of NASA/CXC/M. Markevitch et al. and NASA/STScI/Magellan/University of Arizona/D. Clowe et al. and NASA/STScI/ESO/WFI/Magellan/University of Arizona/D. Clowe et al.
MACS J0717 image courtesy of NASA/ESA/University of Hawaii/LAM/Harald Ebeling and Jean-Paul Kneib
MACS J0025 image courtesy of NASA/CXC/Stanford/S. Allen and NASA/STScI/UCSB/M. Bradac
Abell 1689 image courtesy of NASA/ESA/STScI/AURA/Dominion Astrophysical Observatory/JHU/J. Blakeslee and H. Ford

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