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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Responding to the growing demand for ozone data to monitor the ozone layer and improve ultraviolet (UV) radiation forecasts, the GOME instrument aboard ERS-2 has been working since 1997 in near-real time, providing data on ozone levels, coverage of other trace gases, UV and air-pollution monitoring.