It's almost time for another #Sentinel to join the watchers-in-the-sky squad! How has @CopernicusEU #Sentinel3 -B been preparing for launch?Full interview here: https://t.co/QcsrkL4NfU @esa pic.twitter.com/2mdB5vnpuV — ESA EarthObservation (@ESA_EO) January […]

Totality is coming to an end at @GriffithObserv in California #SuperBlueBloodMoon. Thanks for the stream @NASA! https://t.co/k5NWPbtW4c pic.twitter.com/NiD8BhuPF5 — ESA (@esa) January 31, 2018

The Moon probably formed after the collision of a Mars-sized object with the Earth. https://t.co/kgm9OZR8HE — ESA (@esa) January 31, 2018

Ever wondered what's inside the #Moon? (it's not cheese…). Find out more with our Interactive Moon Guide: https://t.co/BTxPe449jk pic.twitter.com/S2RO2l8xMU — ESA (@esa) January 31, 2018

Nearly… #LunarEclipse – watch live: https://t.co/Y2uDiJEwiy pic.twitter.com/aclBbuj388 — ESA (@esa) January 31, 2018

Already quite super. Turning a little pinkish. View of the #SuperBlueBloodMoon live from @NASAArmstrong Watch here: https://t.co/Y2uDiJmVr0 pic.twitter.com/EihquJL7bi — ESA (@esa) January 31, 2018

How about a #quiz while we wait for the #SuperBlueBloodMoon? Test your knowledge of Moon facts with our interactive lunar guide: https://t.co/P0A5IOL5ZI pic.twitter.com/eIS1Nb6xBE — ESA (@esa) January 31, 2018

Today's #LunarEclipse not visible from where you are? Online streaming from @NASA starts soon! https://t.co/MlNkqkla9D — ESA (@esa) January 31, 2018

#Columbus10years: starting later this week, we'll be "live-tweeting" events and pics leading up to launch and throughout the STS-122 mission of #Atlantis, carrying #ESA's #Columbus module to the @Space_Station – […]

The @Space_Station is seen as it transits the Moon from Alexandria, Virginia: https://t.co/GbV0J7JHcJ pic.twitter.com/EdwR5pG1im — NASA HQ PHOTO (@nasahqphoto) January 31, 2018