blueshift concept from the Astronomy knowledge base

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blueshift

subject fact

blueshift has definition The shift of spectral lines toward shorter wavelengths in the spectrum of an approaching source of radiation. has source: Silk, J. 1990 The Big Bang, W. H. Publishers, New York, 2001-09-27 09:29:46.0
is a kind of Doppler shift

Doppler shift has value the amount of shift is directly proportional to relative velocity

wavelength shift changes property frequency (and wavelength)

optical process has domain optics 2001-09-27 09:29:44.0

blueshift	has definition The shift of spectral lines toward shorter wavelengths in the spectrum of an approaching source of radiation.
blueshift	is a kind of Doppler shift
Doppler shift	has value the amount of shift is directly proportional to relative velocity
wavelength shift	changes property frequency (and wavelength)
optical process	has domain optics