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For half a century, the European Space Agency (ESA) has been serving Europe as its space agency and inspiring its citizens. On 30 May 1975, the ESA Convention was signed by 10 founding Member States and has since now expanded to 23 Member States, three Associate Members, four Cooperating States and a Cooperation Agreement with Canada. This anniversary year provides the opportunity to reflect not only on ESA’s past achievements, but even more so on its future perspectives.
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2025 marks a landmark year for Europe’s ‘bridge between Earth and space’. The European Space Agency’s Estrack satellite tracking network turns 50.
Since its inception in 1975, Estrack – ESA’s global network of ground stations – has formed the vital communication bridge between satellites in orbit and mission control at the European Space Operations Centre (ESOC) in Darmstadt, Germany.
Now comprising six stations spanning six countries, Estrack has grown into a strategic asset for Europe, enabling communication with spacecraft, transmitting commands and receiving scientific data.
The network keeps an eye on satellites no matter their location: tracking them across Earth orbit, voyaging to comets or asteroids, keeping station at the scientifically important Sun-Earth Lagrange points, and deep into our Solar System. It even keeps tabs on European launchers as they soar into orbit, ensuring no rocket is ever out of reach.
Fittingly, this celebration of technological excellence coincides with the 200th birthday of Johann Strauss II and the 50th anniversary of ESA. To honour this convergence of milestones, ESA and the Vienna Tourist Board are orchestrating a unique mission: broadcasting The Blue Danube Waltz to its destined home among the stars.
Don’t miss the live concert of the Wiener Symphoniker (Vienna Symphony Orchestra) on Saturday, 31 May. The event will start at 20:30 CEST and the transmission from ESA’s Cebreros antenna will occur at 21:30 CEST.
The live stream can be followed via space.wien.info and the Vienna Instagram channel.
Waltzing celebration for half a century of European satellite tracking
The next time astronauts land on the Moon, we will watch it in high-definition. The transmission will be in colour, digital and at up to 60 frames per second.
The European Space Agency (ESA) has inaugurated the European Space Deep-Tech Innovation Centre (ESDI), the first ESA presence in Switzerland, created in close collaboration with the Paul Scherrer Institute (PSI). The new centre is located at the Switzerland Innovation Park Innovaare in Villigen. The opening highlights the growing role of deep tech in space exploration and its potential to boost Europe’s growth and competitiveness.
The performance of a lower limb prosthesis has been evaluated in microgravity conditions for the first time during the latest ESA parabolic flight campaign on the ‘Zero G’ aircraft.
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Lake Alakol in eastern Kazakhstan is featured in this radar image captured by Copernicus Sentinel-1.
To create a crumbly crater rich in ice and chunky blocks soaked in layers of martian history – like this one recently observed by the European Space Agency’s Mars Express – follow this recipe:
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The Copernicus Sentinel-2 mission brings us this cloud-free view of Svalbard, a remote Norwegian archipelago in the Arctic Ocean.
