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The best space telescope you never heard of just shut down

By Laura Nicole Driessen, Postdoctoral Researcher in Radio Astronomy, University of Sydney

On Thursday 27 March, the European Space Agency (ESA) sent its last messages to the Gaia Spacecraft. They told Gaia to shut down its communication systems and central computer and said goodbye to this amazing space telescope.

Gaia has been the most successful ESA space mission ever, so why did they turn Gaia off? What did Gaia achieve?…

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