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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This red–blue–green composite image of the Baltic Sea, which was captured by Sentinel-2A on 7 August 2015, has a spatial resolution of 10 m. Linear features across the image suggest that internal waves are changing the algae within the water column. As internal waves propagate and break they energise the upper layers of the water column and focus the algal blooms.
Read full article: Sentinel-2 catches eye of algal storm