Richard Massey: Demystifying Dark Matter

Astronomer RIchard Massey maps “dark matter,” little understood material that holds our universe together but is otherwise invisible. The presence of dark matter can be inferred, however, by its effect on galaxies we can see. So Massey takes high-resolution photos of distant galaxies using the Hubble Space Telescope. And to analyze the huge, multi-terabyte images he captures, Massey depends on his Mac.

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