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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Teheran de nuit
« Une vue magnifique la nuit quand les étoiles scintillent et que la lune est levée ! Ici c’est Téhéran : l’Elbourz et la mer Caspienne complètent le tableau. Les villes illuminées la nuit sont faciles à repérer depuis l’espace, mais c’est aussi un signe de notre surconsommation d’énergie… C’est ‘l’Heure pour la planète’ ce soir, l’occasion d’éteindre les lumières ! Je me demande si la différence se remarquera depuis la Station… »
Earth Hour
“A magnificent view at night when the stars sparkle and the moon is rising, above Teheran and the Caspian Sea. A city's lights in the darkness always astonish me, but they are also a reminder of how much energy we use. Tonight, make sure to switch off for Earth Hour!”
Thomas Pesquet, Proxima mission image 12/03/2017