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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With ATV-5 George Lemaitre soon to be launched to the ISS from Europe’s Spaceport in Kourou, ESA pays tribute to George Lemaitre, the Belgian cleric and professor who was the first the conceive the idea of a big bang.
The name of the man who proposed the prevailing« expansion” theory on the beginning of the universe was proposed by Belgium’s delegation to ESA.
This video explains who was Georges Lemaitre and how he contributed to modern Cosmology.