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- ESA transmits the Blue Danube Waltz into deep space 2025-06-04On 31 May 2025, the European Space Agency (ESA) made history by transmitting a live performance of The Blue Danube Waltz into space from its Cebreros deep space antenna in Spain. This symbolic gesture elevated Johann Strauss II’s famous waltz, often considered the unofficial ‘anthem of space’, to its rightful place among the stars.
- A breath of fresh data: Sentinel-4 innovates for clean air 2025-06-04From its vantage point outside Earth’s atmosphere, more than 36 000 km above Earth’s surface, the Copernicus Sentinel-4 mission will detect major air pollutants over Europe in unprecedented detail. It will observe how they vary on an hourly basis – a real breakthrough for air quality forecasting.
- Meet Smile 2025-06-04Video: 00:02:27 An animation showing ESA’s Smile mission watching on as the Sun’s solar wind interacts with Earth’s magnetic field.