TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

RESISTANCE ATMOSPHERIQUE [2 records]

Record 1 2000-08-01

English

Subject field(s)
  • Aerodynamics and Theory of Gases
  • Launching and Space Maneuvering
CONT

Returning to the Earth involves the problem of decreasing the spacecraft's great speed. To do this, an orbiting spacecraft uses small rockets to redirect its flight path into the upper atmosphere. This action is called de-orbit. A spacecraft returning to the Earth from the moon or from another planet also aims its path to skim the upper atmosphere. Air resistance then provides the rest of the necessary deceleration (speed reduction).

French

Domaine(s)
  • Théorie des gaz et aérodynamique
  • Lancement et manœuvres dans l'espace

Spanish

Save record 1

Record 2 1985-08-27

English

Subject field(s)
  • Air Pollution
CONT

Rates of dry deposition of gases such as SO2, NO2, and HNO3 and small particles to surfaces depend on many factors, but where there is vegetation both atmospheric and canopy resistances to deposition can be identified.

French

Domaine(s)
  • Pollution de l'air

Spanish

Save record 2

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