Astronomers have discovered something remarkable about a type of galaxy known as luminous red galaxies (LRGs). LRGs are some of the most massive galaxies in the universe, and it was previously thought that they were no longer growing in mass. However, the new research shows that LRGs can continue to gain mass through the process of accretion, where material from the surrounding space is drawn into the galaxy. This discovery has implications for our understanding of how galaxies evolve over time.

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source: Phys.org