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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NASA astronaut Karen Nyberg Tweeted this image from space during her mission on the International Space Station. The Sun is setting over a darkened Earth on 2 June 2013. Astronauts experience 16 sunsets and sunrises each day as well as moonrises and moonsets as they orbit Earth at 28 000 km/h.
Karen spend almost six months on the orbital outpost with ESA astronaut Luca Parmitano and Russian commander Fyodor Yurchikhin in 2013 performing science experiments and maintaining the Station.