When Galaxies Eat Galaxies: Gravity Lenses Suggest Big Collisions Make Galaxies Denser
ScienceDaily (Oct. 12, 2012) — Using gravitational “lenses” in space, University of Utah astronomers discovered that the centers of the biggest galaxies are growing denser — evidence of repeated collisions and mergers by massive galaxies with 100 billion stars.
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When Galaxies Eat Galaxies: Gravity Lenses Suggest Big Collisions Make Galaxies Denser

ScienceDaily (Oct. 12, 2012) — Using gravitational “lenses” in space, University of Utah astronomers discovered that the centers of the biggest galaxies are growing denser — evidence of repeated collisions and mergers by massive galaxies with 100 billion stars.

Continue Reading