New images from last night's #Ariane5 of the #Galileo quartet, now added in our @Flickr gallery https://t.co/1DcAZkFaYE pic.twitter.com/H8C0RiqQ19 — ESA (@esa) December 13, 2017

#ICYMI Here's last night's launch of #Ariane5 with #Galileo quartet aboard Full story: https://t.co/IYQMkxWHZw pic.twitter.com/ip3uvJxYBN — ESA (@esa) December 13, 2017

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#Galileo launch brings #navigation network close to completion.https://t.co/QYP6vjA1VD pic.twitter.com/kzaMRleGNU — ESA (@esa) December 12, 2017

All 4 #Galileo satellites now separated. Will now be checked out and brought to life. The satellites will be moved to final position in the coming months. https://t.co/l9I0cKf31I — ESA […]

Two passengers deployed: separation confirmed for the first pair of #Galileo satellites! #VA240 🛰 🛰 pic.twitter.com/JaYiROAqp1 — Stéphane Israël (@arianespaceceo) December 12, 2017

Live coverage of #Galileo 19-22 separation has started. Watch here: https://t.co/l9I0cKf31I pic.twitter.com/1rCWRnymIi — ESA (@esa) December 12, 2017

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From the #GreatLakes of 🇺🇸 and 🇨🇦 to the #EastCoast … so many bright cities shining at night! Returning for this second to last #TimelapseADay: the mighty #aurora 🤩 #VITAmission […]