Astro*Dictionary by Michael Erlewine
2 articles for "Radial Velocity"
Radial Velocity [Astro*Index]The velocity of a stellar body directly towards or away from the Earth. This is obtained directly from spectral displacement due to the Doppler effect.
See also:Radial Velocity [Munkasey M.]
♦ Doppler Effect
The speed of a body through space in the line of sight of the observer. The velocity is negative if the body is approaching Earth.
See also:
♦ Doppler Effect
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