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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Atomic force microscope topographic images of MIDAS particle E, a loosely packed 'fluffy' aggregate comprising many grains. (a) Overview image with a pixel resolution of 210 nm and a colour scale representing height. b) Sub-units (grains) of the particle detected at the resolution of the instrument are outlined. (c) 3D image of the particle corresponding to the area covered by the red outline in (a) with two times height exaggeration to aid visualisation.