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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The ‘eyes’ of Venus Express are extremely sensitive to a wide range of electromagnetic wavelengths, from ultraviolet to infrared. They will be able to dig down through the atmosphere by exploiting for the first time the so-called ‘spectroscopic windows’, discovered in the late 1980s thanks to ground observations.