TERMIUM Plus®

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DE-SPUN SECTION [1 record]

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Alphabetical list of terms

Record 1 2007-01-26

English

Subject field(s)
  • Orbital Stations
  • Transport of Goods
CONT

Most spacecraft are stabilized in flight either by spinning around a major axis, or by maintaining a fixed orientation in space, referenced to the Sun and another star. As the first dual-spin planetary spacecraft, Galileo combines these techniques. A spinning section rotates at about 3 rpm, and a "despun" section is counter-rotated to provide a fixed orientation for cameras and other remote sensors. A star scanner on the spinning side determines orientation and spin rate; gyroscopes on the despun side provide the basis for measuring turns and pointing instruments.

French

Domaine(s)
  • Stations orbitales
  • Transport de marchandises

Spanish

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