Course Hero Logo

astr101_11_DopplerEffect.pdf - Astronomy 101 The Doppler...

Course Hero uses AI to attempt to automatically extract content from documents to surface to you and others so you can study better, e.g., in search results, to enrich docs, and more. This preview shows page 1 - 8 out of 20 pages.

Astronomy 101The Doppler Effect
The Doppler EffectDefinition:The change in wavelength ofradiation (light) due to the relative motionbetween the source and the observer alongthe line of sight.You may be familiar with the Doppler effect insound.Same thing happens withlight.1110/doppler_effect/
Astronomers use the Doppler Effect to learn abouttheradial(along the line of sight) motions of stars,and other astronomical objects.
Real Life Examples of Doppler EffectDoppler Radar (for weather)Airplane radar systemSubmarine radar system(Anything with a radar)Radar gun, used by Law EnforcementOfficers…
Doppler EffectWhen something which is giving off light movestowardsorawayfrom you, the wavelength of theemitted light is changed or shiftedV=0
Doppler EffectWhen the source of light is moving away from theobserver the wavelength of the emitted light willappear to increase. We call this aredshift.
Doppler EffectWhen the source of light is moving towards theobserver the wavelength of the emitted light willappear to decrease. We call this ablueshift.

Upload your study docs or become a

Course Hero member to access this document

Upload your study docs or become a

Course Hero member to access this document

End of preview. Want to read all 20 pages?

Upload your study docs or become a

Course Hero member to access this document

Term
Winter
Professor
bennert
Tags
Redshift

Newly uploaded documents

Show More

Newly uploaded documents

Show More

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture