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L-18: Three astronauts, three languages, Oleg's, @AstroPeggy's and my text in Gagarin's memorial book pic.twitter.com/m9SO6YQ1a3 — Thomas Pesquet (@Thom_astro) October 30, 2016

Follow the @ESAGaia 2016 Data Release #1 Workshop 2 – 4 Nov 2016 live! Programme and broadcast talks: https://t.co/EyjXhLnWxF pic.twitter.com/dk2oYQFjnq — ESA Science (@esascience) October 31, 2016

Meet Thomas Pesquet, heading to space 17 Nov. Connect with @Thom_astro #missionProxima https://t.co/H1dznu7D1n https://t.co/lheuaV8bt5 — ESA (@esa) October 31, 2016

Halloween’s origin is ancient and astronomical. Since the fifth century BC, Halloween has been celebrated as a cross-quarter day, a day halfway between an equinox (equal day / equal night) […]

@Yoku_Sama @Thom_astro find the details in the link https://t.co/IQOC3kRmil — ESA (@esa) October 30, 2016

Our #space week in images includes @Thom_astro and #Galileo preparations for launch 17 Nov https://t.co/3zyLsBE0v5 pic.twitter.com/SEgZlAAaVU — ESA (@esa) October 30, 2016

#ICYMI How #Sentinel1 data and #cloudcomputing are used to monitor ground shifts in #earthquake zones https://t.co/RIOPsf5ucd pic.twitter.com/vY1JJWZ42t — ESA EarthObservation (@ESA_EO) October 30, 2016

Halloween and the Ghost Head Nebula: https://t.co/qMoXMXpcJ7 by @NASA @esa pic.twitter.com/6Cf34T454U — Astro Pic Of The Day (@apod) October 30, 2016

Our airlock at midnight, when all the space suits come alive… #space #Halloween https://t.co/bRXphrProz pic.twitter.com/STM4KqtkT7 — Alexander Gerst (@Astro_Alex) October 29, 2016

Welcome back to Earth #Exp49 @NASA @astro_kate7 @roscosmos Anatoly Ivanishin & @JAXA_en Takuya Onishi – more photos: https://t.co/XsQZs1lteH https://t.co/eZc4iQF70o — ESA (@esa) October 30, 2016