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ESA Space Science

Stellar family portrait

14 May 2018, 14:00 UTC
Stellar family portrait ESA/Gaia

Gaia is a European Space Agency (ESA) mission to chart the most precise three-dimensional map of our Galaxy, the Milky Way, and investigate its composition, formation, and evolution. Gaia provides unprecedented measurements of the positions, distances and motions of more than one billion stars in our Galaxy – which amounts to about one per cent of its stellar population.

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