Finished satellite and artist's impression
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Gaia mission to ship to launch site

The European Space Agency's Gaia satellite is built and ready to embark on a mission to make the most detailed map yet of our Milky Way Galaxy.

Project manager Giuseppe Sarri pointed out some of the key features on the finished satellite to our correspondent Jonathan Amos.

Read more: Gaia: The 'impossible space mission' ready to fly

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