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@Litsas correct link here: https://t.co/JFjfQvD1TJ — ESA (@esa) November 21, 2016

At 8:22am ET, @OrbitalATK's #Cygnus was released from the #Canadarm2 robotic arm on @Space_Station. Watch: https://t.co/KX5g7zfYQe pic.twitter.com/WcjCd3LwFT — NASA (@NASA) November 21, 2016

#Cygnus release from @Space_Station confirmed and burn complete – watch on @NASA TV https://t.co/T5qoTMocMx pic.twitter.com/CznJhWIuow — ESA (@esa) November 21, 2016

"#Cygnus release has been commanded" says @Thom_astro over radio – helping Commander Shane of the Space Station undock the supply spacecraft pic.twitter.com/sTZ1mAoqCq — Human Spaceflight (@esaspaceflight) November 21, 2016

Watch live as #Cygnus undocks https://t.co/T5qoTM6BnX https://t.co/GiGGCmEbvX — ESA (@esa) November 21, 2016

Don't miss tomorrow's #EarthfromSpace interview at 14:00 CET with key players in the preparation of #Sentinel2 B https://t.co/RMRbFhwxeZ — ESA EarthObservation (@ESA_EO) November 21, 2016

First tweet from space for Thomas Pesquet! Connect with @Thom_astro and #Proxima on all channels here https://t.co/6kp0sC7G5W https://t.co/epfBdqZiED — ESA (@esa) November 21, 2016

Centre of curvature – measuring the shape of #JWST mirror: @ESAscience Image of the Week https://t.co/pTQUa1mSwX pic.twitter.com/gkrAS0CfUm — ESA (@esa) November 21, 2016

#ICYMI Call for media: Talk to @Thom_astro aboard @Space_Station about his #Proxima mission https://t.co/Rz7foxjr3V pic.twitter.com/Nw2qMZnQDL — ESA (@esa) November 21, 2016

How much mass do flocculent spirals hide? The featured true color image of flocculent spiral galaxy NGC 4414 was taken with the Hubble Space Telescope to help answer this question. […]