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Today's launch window closes at 00:25 CEST/22:25 GMT — ESA (@esa) September 29, 2017

NOW: Watch live coverage of the #Ariane5 launch from Europe's spaceport. Launch window opens 23:47 CEST/21:47 GMT https://t.co/6NbQXJTXtr pic.twitter.com/C4vPt4qELP — ESA (@esa) September 29, 2017

When your barista is a planet away, the @ASI_spazio #ISSPresso on @Space_Station delivers! #NationalCoffeeDay https://t.co/I2htVCAPAu pic.twitter.com/cs7n1CtUx0 — ISS Research (@ISS_Research) September 29, 2017

Just one hour until #Ariane5 lifts off for the fifth time in 2017! The live broadcast will begin on https://t.co/W7okeIwHLW at 21:32 UTC pic.twitter.com/Zmga4hvacj — Arianespace (@Arianespace) September 29, 2017

Tonight's #Ariane5 #VA239 launch – streaming starts at 23:32 CEST – Watch LIVE on @arianespace https://t.co/6NbQXJTXtr https://t.co/YRTNEm7El4 — ESA (@esa) September 29, 2017

After a routine assessment of launch preparedness, @NASAWebb telescope is now planning to launch in Spring 2019: https://t.co/b2fMyNzLks pic.twitter.com/ImiJ5hbnBD — NASA (@NASA) September 28, 2017

To those attending the European Researchers' Night tonight… set your imagination free! Ciao from your very own space science guinea pig 😁 pic.twitter.com/kEuYsav1V0 — Paolo Nespoli (@astro_paolo) September 29, 2017

Can't make #ERN17 Researchers' Night? Watch Live from @ESA_EO #ESRIN from 20:00 CEST https://t.co/WxgxJoKGxW pic.twitter.com/30QN1gWX6q — ESA (@esa) September 29, 2017