Recreating Our Galaxy in a Supercomputer

Simulated view of our Milky Way galaxy, seen from a nearly face-on angle. This image was created by simulating the formation of our galaxy using a supercomputer, which, in this case, consisted of 2,000 computers linked together.(Hopkins Research Group/Caltech)

Astronomers at Caltech have created the most detailed computer simulation yet of how our Milky Way galaxy was formed, from inception billions of years ago as a loose collection of matter to its modern state as a massive, spiral disk of stars.

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