sciamachy

SCIAMACHY (Scanning Imaging Absorption Spectrometer for Atmospheric CHartographY; Greek: σκιάμάχη: analogously: 'Fighting shadows') is one of ten instruments aboard of ESA's ENVIronmental SATellite, ENVISAT. SCIAMACHY is a satellite spectrometer designed to measure sunlight, transmitted, reflected and scattered by the earth atmosphere or surface in the ultraviolet, visible and near infrared wavelength region (240 nm - 2380 nm) at moderate spectral resolution (0,2 nm - 1,5 nm). SCIAMACHY aboard the ENVISAT satellite was launched by ESA (European Space Agency) from Kourou, French-Guayana, in March 2002. The absorption, reflection and scattering characteristics of the atmosphere are determined by measuring the extraterrestrial solar irradiance and the upwelling radiance observed in different viewing geometries.
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(n.)
See Sciomachy.
  

Fighting with a shadow or an imaginary opponent

sciamachy /sai'æməki/ (sciomachy) /sai'ɔməki/
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