Definitions
There is 1 meaning of the phrase
Radial Velocity.
Radial Velocity - as a noun
Velocity along the line of sight toward or away from the observer
Example Sentences
"The radial velocity of the star indicates that it is moving away from us."
"Scientists measure a star's radial velocity by examining the shifts in its spectral lines."
"The radial velocity of a planet can be determined by observing changes in the frequency of its orbital motion."
"Astronomers use the Doppler effect to calculate the radial velocity of celestial objects."
"The radial velocity of a galaxy can provide important information about its motion and distance."