#𝟓𝟎𝐘𝐞𝐚𝐫𝐬𝐨𝐟𝐄𝐒𝐀
#50YearsOfESA

#2018

BepiColombo was launched on 20 October 2018, on an Ariane 5 rocket from Europe's Spaceport in French Guiana. It's a joint ESA/JAXA mission to study Mercury, now on an eight-year journey with arrival in orbit expected in late 2026.

www.esa.int/Science_Expl... @science.esa.int
November 5, 2025 at 4:34 PM
October’s #ObjectOfTheMonth from #ESAarchives digs into the handover from ESRO to ESA in 1975, seen through the lens of its 'Communication Satellites Programme Board'. More on this 'new' ESA committee👇

historicalarchives.esa.int#oom #50YearsOfESA @eui-euarchives.bsky.social @esaconnectivity.esa.int
October 16, 2025 at 12:17 PM
👨‍🚀✋ Auf dem Koningin Wilhelmina Boulevard gibt's jetzt 20 Handabdruckplatten von AstronautInnen. Die beiden neuesten Platten sind von den deutschen Astronauten Thomas Reiter und Ulf Merbold. #50YearsOfESA
Vrijdag 10 oktober zijn er 2 nieuwe tegels toegevoegd aan de Walk of Space! 🤩

👨‍🚀✋ Op de Koningin Wilhelmina Boulevard liggen inmiddels 20 tegels met handafdrukken van astronauten. De 2 nieuwste tegels zijn van de Duitse ruimtevaarders Thomas Reiter en Ulf Merbold. #50YearsOfESA

📸: Barteld de Jong
October 15, 2025 at 1:26 PM
WHAT A DAY! Thank you to all of you who joined us for a fantastic #ESAOpenDay and to the extraordinary @nl.esa.int scientists and crew for lifting the curtain and getting us a step closer to space!

Space truly ROCKS! 🤘🖖 Let’s do it again next year?

#ESAOpenDay #50YearsOfESA #NLSW25 #SpaceRocks
October 13, 2025 at 8:14 AM
Vrijdag 10 oktober zijn er 2 nieuwe tegels toegevoegd aan de Walk of Space! 🤩

👨‍🚀✋ Op de Koningin Wilhelmina Boulevard liggen inmiddels 20 tegels met handafdrukken van astronauten. De 2 nieuwste tegels zijn van de Duitse ruimtevaarders Thomas Reiter en Ulf Merbold. #50YearsOfESA

📸: Barteld de Jong
October 12, 2025 at 2:49 AM
Bekijk vandaag het hele programma! 🚀

✨ Quizzen in de NL Space Tent om 13:00, 14:00 & 15:00 uur + bezoek van André Kuipers 👨‍🚀

🎤 Mis ook de show van Mark the Science Guy niet bij het Space Expo Stage!
👉 Alles via: www.esa.int/About_Us/ESA...

#ESAOpenDay #50YearsOfESA
ESA Open Day 2025: Sunday 12 October programme online
For all registered visitors for ESA Open Day at ESTEC 2025 on Sunday, 12 October, the programme brochure for the day is now available to help plan your visit.
www.esa.int
October 12, 2025 at 5:18 AM
#50YearsOfESA

#2014

In 2014, ESA's #Rosetta mission achieved two historic milestones: in August, it became the first spacecraft to orbit a comet (Comet 67P) and in November, its Philae lander became the first probe to make a controlled landing on a comet's surface🧪🔭

www.esa.int/Science_Expl...
October 1, 2025 at 2:26 PM
#50YearsOfESA

#2013

Acquired by ESA’s Planck mission, the most detailed map to date of the Cosmic Microwave Background (relic radiation from the 'Big Bang') was released on 21 March 2013, revealing features that challenged our current understanding of the Universe🧪🔭

www.esa.int/Science_Expl...
October 1, 2025 at 9:20 AM
🎉 Ein herausragender Erfolg: ESA ESOC Open Day 2025! Was für ein außergewöhnlicher Tag! Am 12.09 öffnete ESOC in Darmstadt seine Türen für die Öffentlichkeit, um das 50-jährige Jubiläum der @esa.int zu feiern. 🌍 #ESOCOpenDay #50YearsOfESA ✨📸 Highlights im Artikel hier:
👉 www.esa.int/About_Us/ESA...
September 23, 2025 at 3:17 PM
🚀 Registration is now OPEN for ESAC Open Day!
📅 Saturday, 4 October
📍 ESA ESAC, Madrid, Spain
🎟️ Entry is free, but registration is required 👇
www.esa.int/About_Us/ESA...

Let’s explore space together! 🌍🧑‍🚀 #ESAOpenDay #50YearsOfESA
September 19, 2025 at 9:31 AM
#50YearsOfESA

#2011

The first two In-Orbit Validation satellites for Europe’s Galileo global satnav system were launched on 21 October 2011 from French Guiana (also the first launch of a Soyuz from European territory). Two more satellites followed on 12 October 2012.

www.esa.int/Applications...
September 19, 2025 at 12:37 PM
#ESAarchives are reprising their series on ‘a history of preservation’. Today they look at memoirs, some behind-the-scenes stories from ESA’s first 50 years, and at some of the issues in dealing with both candid and personal recollections!

historicalarchives.esa.int/brief-histor... #50YearsOfESA
September 16, 2025 at 12:46 PM
#50YearsOfESA 🥳 Happy 50th birthday! ESA's Director General Josef Aschbacher reflected on the history of @esa.int and the future of Europe’s space sector, at a celebration of ESA's 50th anniversary this week.
Happy 50th birthday ESA
Yesterday was a historic day – for Europe’s space sector, for the European Space Agency, and for Europe as we celebrated ESA's 50th anniversary. ESA’s journey began not far from headquarters, in the F...
www.linkedin.com
June 19, 2025 at 9:15 AM
🚀 Registration is now OPEN for ESTEC Open Day – General Public Day!

📅 Sunday, 12 October
📍 ESA ESTEC, Noordwijk, the Netherlands

🔓 Register now ➡️ www.esa.int/About_Us/ESA...
🎟️ Entry is free, but spots fill up fast - claim yours now!

Let’s explore space together! 🌍🧑‍🚀

#ESAOpenDay #50YearsOfESA
🚀 De inschrijving voor de ESTEC Open Dag – Dag voor het grote publiek is nu geopend!

🗓️ Zondag 12 oktober
📍 ESA ESTEC, Noordwijk

🔓 Schrijf je nu in ➡️ www.esa.int/About_Us/ESA...
September 8, 2025 at 10:27 AM
#OTD 9 March 2005, 20 years ago, with the deposition of its instrument of ratification of the ESA Convention, Greece became @esa.int's 16th Member State.

www.esa.int/About_Us/Bus... #50YearsOfESA
March 9, 2025 at 8:12 PM
Mission accomplished: on 31 May 2025, Johann Strauss II’s 'The Blue Danube' waltz was transmitted into space. #ICYMI rewatch the concert here 👇 #50YearsOfESA

www.youtube.com/watch?v=6YPh...
Waltz Into Space Concert | Vienna
YouTube video by Vienna
www.youtube.com
June 1, 2025 at 5:23 PM
@esa celebra i 50 anni il 30 di questo mese. Seguite #50YearsOfESA per scoprire storie, immagini di archivio e i dettagli degli eventi che avranno luogo nel corso di quest'anno.
🎉 We’re celebrating our 50th birthday on 30 May! For half a century, we’ve been serving Europe, inspiring its citizens and exploring the cosmos. Check out our #50YearsOfESA web site for stories, archive images and details of events coming up in the year.

🔗 esa.int/About_Us/50_...
May 2, 2025 at 9:06 AM
#OTD: 19 July 2004, #Greece signed their agreement on accession to the ESA Convention, paving the way to becoming a full Member State in 2005.

www.esa.int/About_Us/Bus...

#50YearsOfESA
July 19, 2025 at 10:09 PM
#50YearsOfESA

#2015

ESA's Intermediate eXperimental Vehicle (IXV) was a lifting-body spacecraft that completed a suborbital test flight on 11 February 2015. Launched on Vega flight VV04, IXV's mission was to test critical technologies for future European spacecraft.

www.esa.int/Enabling_Sup...
October 17, 2025 at 3:39 PM
#OTD 13 July 2012, ESA Member States approved the accession of #Poland 🇵🇱 to the ESA Convention, paving the way for Poland to become @esa.int's 20th Member State in November 2012.

www.esa.int/About_Us/Cor... #50YearsOfESA
July 13, 2025 at 12:49 PM
Oggi, 30 maggio, celebriamo 50 anni dalla firma della Convenzione per la creazione di un'unica Agenzia Spaziale Europea, avvenuta nel maggio 1975.
#50YearsOfESA
May 30, 2025 at 8:44 AM
Happy Birthday #ESA!!!!

Looking forward for the next incredible 50 years

#50YearsOfESA
May 30, 2025 at 8:58 AM
Nuestra red de seguimiento por satélite nos ha mantenido incansablemente en estrecho contacto con nuestras misiones. Desde Integral y Cluster hasta Euclid, Juice y más, debemos el éxito de nuestras misiones a una comunicación impecable.

Celebra Estrack buff.ly/l96gWeP #50YearsOfESA
Waltzing celebration for half a century of European satellite tracking
2025 marks a landmark year for Europe’s ‘bridge between Earth and space’. The European Space Agency’s Estrack satellite tracking network turns 50 – and with it, its deep space antenna in Cebreros,…
buff.ly
May 31, 2025 at 11:02 AM
📸 Rückblick auf den ESA Open Day bei ESOC: Ein paar ausgewählte Bilder sagen mehr als tausend Worte. #50YearsOfESA

Wart ihr dabei? 💬 Wir wollen wissen: Was war euer Highlight beim #ESOCOpenDay? Teilt eure Eindrücke, Lieblingsfotos und Ideen für’s nächste Mal. 🤩

📷: ESA / S. Bohländer
September 15, 2025 at 9:50 AM