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Gaia launch
https://popastro.com/forum/viewtopic.php?f=6&t=18536
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Author:  brian livesey [ Thu Dec 19, 2013 10:55 am ]
Post subject:  Gaia launch

The European space observatory Gaia has been launched to map our galaxy in unprecedented detail. Gaia will accurately measure the positions of a billion stars and also be able to detect exoplanets by the "wobbles" they induce.
Gaia's guidance system is so sensitive that it could pin-point a flea on the Moon! More information here: http://www.bbc.co.uk/news/science-environment-25445373 .

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