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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By zooming out to see half of the sky and displaying the footprints from all the missions (visualised as squared in different colours), the users get a coverage map of all observations ever done from the X-ray to the far-infrared in one single map.
ESASky is a discovery portal that provides full access to the entire sky. The open-science application contains a universe of data – over half a million images, 300 000 spectra and more than one billion catalogue sources.