LIVE NOW: Watch as @Astro_Sabot, @AstroAcaba and their Russian crewmate launch to @Space_Station at 5:17pm ET: https://t.co/mzKW5uV4hS pic.twitter.com/PRCdcTOEx2 — NASA (@NASA) September 12, 2017

“It’s not always 1 moment that will change your life.” – @AstroAcaba. Hear more before his 5:17pm ET launch to space https://t.co/P1t5zH3htZ pic.twitter.com/XqZ8apej3Z — NASA (@NASA) September 12, 2017

Tonight at 23:17 CEST, three more people are heading for @Space_Station. Watch live on @nasa TV https://t.co/T5qoTMocMx https://t.co/Y1A2DDR0zR — ESA (@esa) September 12, 2017

Follow the latest updates as the spacecraft makes its final approach to Saturn: https://t.co/Srby4Rk9II #GrandFinale pic.twitter.com/hqNXca31ff — CassiniSaturn (@CassiniSaturn) September 12, 2017

A spectacular new world awaits below ours in the underground caves of the Sa Grutta cave complex in Sardinia, Italy. #OneWorldManyViews pic.twitter.com/fKQNwpDRFg — Randy Bresnik (@AstroKomrade) September 12, 2017

How to follow @CassiniSaturn’s end of mission #grandfinale all this week – @NASA news briefings & key moments https://t.co/v9Gu38tO69 pic.twitter.com/1ge22BbqLK — ESA (@esa) September 12, 2017

Space & #Healthcare have more in common than you might think! Apply 4 #Space2Health Hackathon by 1 Oct @merckgroup https://t.co/EbYlIL7FBz pic.twitter.com/kdJams8c4q — ESA (@esa) September 12, 2017

This morning, the teams of the #Frascati #SpaceAppCamp met with @astro_luca and @ESA_EO Director @AschbacherJosef. https://t.co/wcXTHf6v5V pic.twitter.com/xT9r4ejrhK — ESA EarthObservation (@ESA_EO) September 12, 2017

"Let's start with #EarthObservation and what we can do with it. #EO affects us all." @astro_luca today at #SpaceAppCamp #Frascati #ESRIN pic.twitter.com/QM2JtZ3Oy9 — ESA EarthObservation (@ESA_EO) September 12, 2017