the component of the motion of a star away from or toward the earth along its line of sight, expressed in miles or kilometers per second and determined by the shift in the wavelength of light emitted by the star.
Inertia vs. Momentum: Which Keeps You Moving?Science is real. Science is cool. Science uses a lot of terms that we all think we know. But, do we really know what we are talking about? In the spirit of scientific community and understanding, let's clear up one big scientific misconception that we all get wrong ...
- radial extensor muscle of wrist,
- radial flexor muscle of wrist,
- radial growth phase,
- radial index artery,
- radial keratotomy,
- radial nerve,
- radial paralysis,
- radial saw,
- radial symmetry,
- radial tire
Also called radial velocity.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
the component of the velocity of an object, esp a celestial body, directed along a line from the observer to the object
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012