The European Space Agency (ESA) is Europe’s gateway to space. Its mission is to shape the development of Europe’s space capability and ensure that investment in space continues to deliver benefits to the citizens of Europe and the world.
Find out more about space activities in our 23 Member States, and understand how ESA works together with their national agencies, institutions and organisations.
Exploring our Solar System and unlocking the secrets of the Universe
Go to topicProtecting life and infrastructure on Earth and in orbit
Go to topicUsing space to benefit citizens and meet future challenges on Earth
Go to topicMaking space accessible and developing the technologies for the future
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Multi-temporal image, acquired within the Dragon Programme, showing seasonal changes in Lake Poyang’s water levels, based on Envisat's Advanced Synthetic Aperture Radar (ASAR) acquisitions between 29 January and 21 August 2005. Dark blue represents perennial water bodies for the concerned period, bright blue the flooded area during August and red spots the drying up or vegetation growth in wet depressions.