GAIA
Gaia is an ambitious mission to chart a three-dimensional map of our
Galaxy, the Milky Way, in the process revealing the composition,
formation and evolution of the Galaxy. Gaia will provide unprecedented
positional and radial velocity measurements with the accuracies needed
to produce a stereoscopic and kinematic census of about one billion
stars in our Galaxy and throughout the Local Group. This amounts to
about 1 per cent of the Galactic stellar population.
http://sci.esa.int/gaia/
Portal
http://sci.esa.int/gaia/
Portal
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