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 image taken by NASA/ESA's Hubble Space Telescope shows the Spiderweb Galaxy (MRC 1138-262) sitting at the centre of an emergent galaxy cluster, surrounded by hundreds of other galaxies from the cluster.
The image provides the best demonstration so far that large massive galaxies are built up by merging smaller ones.