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A galactic overlap

Overlapping galaxies seen by the Hubble Space Telescope.
Overlapping galaxies seen by the Hubble Space Telescope. Image: ESA/Hubble & NASA, W. Keel

The Hubble telescope captured these two spiral galaxies more than a billion light-years from Earth that give the illusion that they’re colliding. They’re really just overlapping visually, making space look more crowded than it actually it.