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单词 Granat
释义
Granat

Astronomy
  • A Soviet satellite for X-ray and gamma-ray astronomy, launched in 1989 December. It carried seven X-ray and gamma-ray instruments. The ART-S and ART-P high-pressure proportional counters cover the energy range 3–150 keV. The French Sigma coded-mask telescope operates in the energy range 30–1300 keV. Denmark provided the WATCH all-sky monitor. Granat ceased operation in 1998 November.

    http://heasarc.gsfc.nasa.gov/docs/granat/granat.html Information page at Goddard Space Flight Center.


Space Exploration
  • A Russian satellite, developed in collaboration with other European nations, that carried out X-ray and gamma-ray observations. Launched in December 1989, it made specific investigations until September 1994, when it began a general survey. Granat produced very deep images of the centre of the galaxy before ending its life in November 1998.


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