1. BlueshiftA blueshift is any decrease in wavelength (increase in frequency); the opposite effect is referred to as redshift. In visible light, this shifts the colour from the red end of the spectrum to the blue end. The term also applies when photons outside the visible spectrum (e.g. x-rays and radio waves) are shifted toward shorter wavelengths, as well as to shifts in the de Broglie wavelength of particles.
Read “Blueshift” on English Wikipedia
Read “青方偏移” on Japanese Wikipedia
Read “Blueshift” on DBpedia
Read “Blueshift” on English Wikipedia
Read “青方偏移” on Japanese Wikipedia
Read “Blueshift” on DBpedia
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