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radial velocity
 

Definitions from WordNet

Noun radial velocity has 1 sense
  1. radial velocity - velocity along the line of sight toward or away from the observer
    --1 is a kind of     speed, velocity

Definitions from the Web

Term: Radial Velocity

Definition: Radial velocity refers to the component of an object's velocity that is directed along the line of sight of an observer. It indicates the speed at which an object moves either toward or away from the observer.

Examples:

  1. As a noun:

    2. In astronomy, the radial velocity of a star can be measured by observing the shifts in its spectral lines.

    Related products: Astronomy Telescopes

  2. As an adjective:

    3. The Doppler effect is used to determine the radial velocity of a moving vehicle.

    Related products: Doppler Radar

  3. As an adverb:

    4. The spaceship shot past us radially, displaying tremendous radial velocity as it zoomed through space.

    Related products: Spaceship Models

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