Don’t miss tonight’s #Ariane5 launch! https://t.co/8OqPwc1qno — ESA (@esa) April 5, 2018

The second data release of @ESAGaia on 25 April will contain the 2D position & brightness of 1,692,919,135 stars, with parallaxes & proper motions of 1,331,909,727 + a whole lot […]

Hopefully it will be here, not seeing anything yet https://t.co/co3AK7v4JE — ESA (@esa) April 5, 2018

#WhereonEarth is this? Be the first to guess it right for a chance to win an @esa gadget! pic.twitter.com/90WHmuxKtM — ESA EarthObservation (@ESA_EO) April 5, 2018

Don't forget @ESA_MTM – and their travel buddy @JAXA_MMO 🙂 — ESA (@esa) April 5, 2018