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Galaxy alignments traced back 10 billion years

MACS J0416.1-240 is a cluster of galaxies located four billion light years away. A new study based on observations with the Hubble Space Telescope has shown that the most massive galaxies in the universe, which are found in clusters like this, have been aligned with the distribution of neighboring galaxies for at least 10 billion years.
Credit: ESA/Hubble, NASA, HST Frontier Fields

A new study led by Michael West of Lowell Observatory and Roberto De Propris of the University of Turku, Finland, reveals that the most massive galaxies in the universe have been aligned with their surroundings for at least ten billion years. This discovery shows that galaxies, like people, are influenced by their environment from a young age.

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