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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An in-ear measurement device like the one ESA astronaut Andreas Mogensen will use during his Huginn mission.
Researchers from Aarhus University, Denmark, have developed a small in-ear measuring device that Andreas will wear while sleeping on the Space Station. Similar to in-ear headphones, this device will measure the electroencephalogram (EEG) of Andreas’s brain, allowing researchers to analyse his brain activity throughout the night to help understand the quality of his sleep.