#OTD 19 December 2013 launch of #ESA's billion star mapper #Gaia on a #Soyuz VS06 from French Guiana @ESAGaia @esascience @Arianespace pic.twitter.com/BbAxsSwvTK
— ESA space history (@ESA_History) December 19, 2016
Previous Post: HUBBLE on Twitter
Next Post: ESA on Twitter