This video, recorded in French Guiana, says about itself:
19 December 2013
Watch a replay of ESA’s billion-star surveyor Gaia lift off.
“From more than a billion stars we will finally get the exact position, brightness and distance from the earth“, says [Dutch astronomer] Nelemans.
Anna Frebel digs a young universe. Stellar archaeologist has turned up stars from the second generation ever to form. By Christopher Crockett, 11:05am, September 21, 2016: here.