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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This image was taken with the NASA/ESA/ASI Cassini-Huygens spacecraft narrow-angle camera on 9 October 2004, at a distance of 5.9 million kilometres from Saturn through a filter sensitive to wavelengths of infrared light centred at 889 nanometres. The image scale is 69 kilometres per pixel.
This pattern is an example of a 'Kelvin-Helmholtz instability', which occurs when two fluids of different density flow past each other at different speeds.