Gaia, mapping the galaxy

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ESA’s GAIA satellite is scheduled to be sent aloft by a Russian Soyuz launcher from the Guiana Space Centre on 19 December. GAIA will map more than a billion stars in our Milky Way galaxy with unrivalled precision. One of the mission’s main data processing centres is at CNES in Toulouse. Credits: CNES. www.cnes.fr

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