Doppler

[ dop-ler ]

/ ˈdɒp lər /

noun

Christian Johann,1803–53, Austrian physicist: discovered the Doppler effect.

Example sentences from the Web for doppler

On each orbit, the planets pull the star slightly, which can be detected by the Doppler effect.

The Exoplanet That Wasn’t There |Matthew R. Francis |July 6, 2014 |DAILY BEAST
Angle, strength and Doppler movement were computed to find course and distance.

Planet of the Damned |Harry Harrison
And I noticed that the waves of sound were under a slight Doppler effect.

Astounding Stories of Super-Science, August 1930 |Various
The method of detecting binary stars by means of the spectroscope is an application of Doppler's principle.

Astronomy of To-day |Cecil G. Dolmage

Recent spectroscopic observations of the nebul applying the principle of Doppler have revealed high velocities of rotation.

Astronomy |David Todd
Neither does it cause any change of colour or Doppler effect; that is, no shift of lines in spectrum.

The Ether of Space |Oliver Lodge

Scientific definitions for doppler

Doppler

[ dŏp′lər ]

Christian Johann 1803-1853

Austrian physicist and astronomer who in 1842 explained the effect, now named for him, of variations in the frequency of waves as a result of the relative motion of the wave source with respect to the observer.

BROWSE DICTIONARY

Learning

Doppler

noun

Example sentences from the Web for doppler

Scientific definitions for doppler