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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The ESTEC Test Centre's Phenix thermal vacuum facility is a 4.5 m-diameter stainless steel vacuum chamber 11.8 m long, with an inner box called the ‘thermal tent’ whose six copper walls can be heated up to 100°C or cooled via piped liquid nitrogen down to –190°C, all independently from each other.