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    Visible light from outer space can be "red-shifted," indicating the source object is moving away from the Earth-bound observer. Can other frequencies of electro-magnetic radiation be "shifted" in the same manner. And if so, is it detectable?

    Question #122794. Asked by houston1127. (Aug 02 11 3:37 PM)


    Barbiegurl676

    		Yes and yes. "Redshifts are attributable to the Doppler effect, familiar in the changes in the apparent pitches of sirens and frequency of the sound waves emitted by speeding vehicles; an observed redshift due to the Doppler effect occurs whenever a light source moves away from an observer."

    http://en.wikipedia.org/wiki/Redshift

    Aug 02 11, 3:39 PM
    triviapaul

    		They not only can be shifed, they ARE shifted. The Doppler Effect states that it applies to ALL waves.

    http://en.wikipedia.org/wiki/Doppler_effect

    All electro-magnetic wavelengths from radio waves to gammarays will be shifted.

    http://en.wikipedia.org/wiki/Electromagnetic_spectrum

    They are detectable and they are being detected. Several satellites and telescopes are dedicated to detect radiation at their respective wavelengths.

    http://en.wikipedia.org/wiki/Radio_telescope
    http://en.wikipedia.org/wiki/Fermi_Gamma-ray_Space_Telescope

    Aug 03 11, 1:26 AM

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