Taking a Galactic Census

Update: 2012-01-08

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How do you take a census in space? Find out how it is possible to produce a 3D map of the galaxy, with a little help from the new Gaia Spacecraft and a whole heap of measuring.

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#box-pro-ellipsis-173971497519511{-webkit-line-clamp:2;}Taking a Galactic Census

Taking a Galactic Census

The Open University

Taking a Galactic Census