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 sunlight angle in this sharp view of Saturn's second-largest moon, Rhea, highlights the moon's crater-strewn surface. Rhea's diameter is 1528 kilometres.
The image was taken in visible light with the Cassini spacecraft narrow-angle camera on 1 November 2004, at a distance of 1.6 million kilometres from Rhea. North is up. The image scale is about 10 kilometres per pixel. The image has been slightly contrast enhanced to aid visibility of surface features.