prograde

Same rotation sense

Prograde describes motion in the same direction as the dominant rotation or orbit in a system.

In astronomy, a prograde orbit moves the same way its parent body rotates—most planets orbit the Sun prograde.

A prograde satellite orbits in the direction its planet spins.

The opposite is retrograde.

Venus has a retrograde rotation, but its orbit around the Sun is prograde.

orbital

orbit

Curved celestial path

eastward · motion · revolution · trajectory · spin · velocity · momentum · satellite · spacecraft · planet

planetary

rotation

Turning on an axis

  • spinRapid rotation around axis
  • axisRotation reference line
  • day24-hour period

Venus · Uranus · tilt · obliquity · angular · momentum · formation · accretion · solar system · planet

metamorphic

metamorphism

Heat-pressure mineral alteration

mineral · crystallization · recrystallization · garnet · kyanite · grade · facies · dehydration · subduction

Opposites
orbital/rotational direction

prograderetrograde

Moving in reverse direction

retrograde motion · retrograde orbit · clockwise · counter-rotating · backward

motion trajectory in spaceflight

prograderetrograde

Moving in reverse direction

reverse thrust · deceleration · braking

metamorphic geology

prograderetrograde

Moving in reverse direction

retrogression · cooling · decompression

Phrases
Family

progress, upgrade, pro, ingredient, gradual, graduate, aggression, degrade, degradation

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