Sojourner. View of the Mars Pathfinder robotic rover vehicle "Sojourner" during assembly. This rover vehicle landed on Mars on 4 July 1997. It weighs about 9 kilogrammes,is 63 centimetres (cm) long and 48cm wide. It's wheels and suspension are designed for movement over Mars' rocky surface. It is powered by a solar panel (at top) which allows for a few hours of movement per day,and is controlled by an operator on Earth. The Sojourner is equipped with an Alpha Proton X-Ray Spectro- meter (APXS). The APXS determines the chemical composition of martian rocks. All elements except hydrogen can be detected during the ten hours the APXS takes to complete an analysis | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / NASA |
Taille de l’image : | 4943 px × 3683 px |
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Property Release : | Non requis |
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