Spacecraft converge on Mars.
The mystery of whether there is or has been life on Mars may be clarified or even resolved soon, with four new spacecraft-two from the European Space Agency and two from NASA-arriving at the planet. They join two NASA probes already in orbit, though one of them-Odyssey-had a radiation sensor knocked...
| Publicado en: | IEEE spectrum 41, 10 (2004). |
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| Autor Principal: | |
| Formato: | Artigo |
| Idioma: | inglés |
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