Astronomers have made a remarkable discovery about two spiral galaxies merging together: within the chaotic jumble of stars, gas, and dust, the galaxies are still preserving their spiral shape. This is the first time that such an orderly arrangement has been observed during a merger, challenging current theories about how merging galaxies form. The research team, led by Dr. Marc Freitag, used the Hubble Space Telescope to observe the galaxies in detail, and their findings provide an important insight into the process of galactic evolution.

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source: Phys.org