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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Thanks to a unique approach that combines satellite measurements of ocean colour made available through ESA’s Climate Change Initiative and in situ Argo and Bio-Argo floats, which take direct measurements as they descend and ascend through the water column of the ocean, scientists have worked out how much energy is transported from the surface waters down to the mesopelagic layer by a ‘seasonal mixed-layer pump’.
Read full story: Satellites help understand what fuels the twilight zone