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 stereographic projection of DISR images from ESA’s Huygens probe combines 60 images in 31 triplets, projected from a height of 3000 metres above the black ‘lakebed’ surface. The bright area to the north (top of the image) and west is higher than the rest of the terrain, and covered in dark lines that appear to be drainage channels.
To construct this projection, the direction of every pixel in each of the three imagers was measured and expressed as a nadir and azimuth angle in a spherical co-ordinate system centred on the image. The images were then spliced together using one of several projection algorithms (in this case ‘stereographic’) to produce a full mosaic.