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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Giotto with the cylindrical solar cell array removed. Shown on the payload platform are (from left to right) the Halley Multicolour Camera (HMC), the electronics box of the Dust Impact Detection System (DIDSY), the Reme Plasma Analyser (RPA) with its red cover on, and the dust mass spectrometer (PIA). Shown on the upper platform are two of the four hydrazine fuel tanks used for attitude and orbit control. [Image Date: 01-05-85] [85.06.001-407]