Dr. Pierre Martin and his team created an animation showing two galaxies colliding more than 440 million years ago.
New simulations of Milky Way-like galaxies reveal that the strange split between two chemically distinct groups of stars may arise from several very different evolutionary events. Bursts of star ...
The Milky Way was once a textbook example of how a spiral galaxy should form and evolve. Now a wave of new observations and simulations is forcing astronomers to admit that many of those origin ...
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