File:Building a mosaic of Mars ESA24894563.png

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Captions

To mark 20 years of ESA’s Mars Express, the High Resolution Stereo Camera (HRSC) team has produced a new global colour mosaic of Mars by combining 90 high-altitude HRSC images.

Summary

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Description
English: To mark 20 years of ESA’s Mars Express, the High Resolution Stereo Camera (HRSC) team has produced a new global colour mosaic of Mars by combining 90 high-altitude HRSC images.
This image shows an example of the kind of high-altitude HRSC image used to create the global mosaic, taken during HRSC orbit 21 688. The grey terrain comprises data from NASA’s Mars Orbiter Laser Altimeter, while the HRSC data forms the two coloured slices. Martian coordinates are displayed around the discs for geographical context.
Left: A red-green-blue-composite showing how the surface looks in visible light. Note the light blue colour of the northern and southern limbs, caused by the camera having a shallower view through the martian atmosphere (which therefore had a stronger influence on the images). Such regions were excluded from the global mosaic.
Right: An infrared-red-green-composite. Such unusual views (those including the infrared channel) offer a possible way to examine Mars’ surface reflectivity in various wavelengths, and have also been inspected to detect artefacts or holes in the data comprising the global mosaic.
Read more
Date 23 May 2023 (upload date)
Source Building a mosaic of Mars
Author ESA/DLR/FU Berlin/MOLA Science Team
Activity
InfoField
Space Science
Mission
InfoField
Mars Express

Licensing

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This media was created by the European Space Agency (ESA).
Where expressly so stated, images or videos are covered by the Creative Commons Attribution-ShareAlike 3.0 IGO (CC BY-SA 3.0 IGO) licence, ESA being an Intergovernmental Organisation (IGO), as defined by the CC BY-SA 3.0 IGO licence. The user is allowed under the terms and conditions of the CC BY-SA 3.0 IGO license to Reproduce, Distribute and Publicly Perform the ESA images and videos released under CC BY-SA 3.0 IGO licence and the Adaptations thereof, without further explicit permission being necessary, for as long as the user complies with the conditions and restrictions set forth in the CC BY-SA 3.0 IGO licence, these including that:
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See the ESA Creative Commons copyright notice for complete information, and this article for additional details.
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Attribution: ESA/DLR/FU Berlin/MOLA Science Team, CC BY-SA IGO 3.0
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