Biggest ever dark matter survey about to begin in Australia

Astronomers are about to embark on a project to measure the movement of a million galaxies, building the largest map of dark matter ever attempted. The TAIPAN galaxy survey will measure the galaxies at an unprecedented speed, also providing scientists with the most accurate measurement of the rate of expansion of the universe. “This will be about ten times larger than our best previous survey,” says Professor Andrew Hopkins of the Australian Astronomical Observatory.

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