RT @esa: #HowToWatch: our @ESA_Hera asteroid mission is set for launch later today on a SpaceX Falcon 9 from Cape Canaveral. Join us for live coverage from 16:15 CEST/15:15 BST.

Follow @ESA_Hera and @esaoperations for details of the countdown.

https://t.co/MtyK2FzAjz

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