• Valerie Illingworth
Part of the Macmillan Dictionary Series book series (DICTS)


Valles Marineris. A vast system of Martian canyons photographed by *Mariner 9. Long recognized as a feature of changing brightness, known as Coprates canyon, it was renamed in honour of the Mariner project. See Mars, surface features.


Solar Wind Radio Source Very Long Baseline Interferometry Radiation Belt Atmospheric Water Vapour 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Laurence Urdang Associates Ltd 1979

Authors and Affiliations

  • Valerie Illingworth

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