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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A tiny atomic clock, just five millimetres across, that requires very little power to run has been developed by a Swiss company to improve the sensitivity of sensors and instruments in space.
The miniature timing source is just 5mm across and requires just 450mW of power to run (Image: Orolia Group/ESA)