blue shift


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blue shift

or

blueshift,

in astronomy, the systematic displacement of individual lines in the spectrumspectrum,
arrangement or display of light or other form of radiation separated according to wavelength, frequency, energy, or some other property. Beams of charged particles can be separated into a spectrum according to mass in a mass spectrometer (see mass spectrograph).
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 of a celestial object toward the blue, or shorter wavelength, end of the visible spectrum. The amount of displacement is a function of the object's relative velocity toward the observer. Most observed blue shifts are the result of the Doppler effectDoppler effect,
change in the wavelength (or frequency) of energy in the form of waves, e.g., sound or light, as a result of motion of either the source or the receiver of the waves; the effect is named for the Austrian scientist Christian Doppler, who demonstrated the effect
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. The blue shift is the opposite of the red shiftred shift
or redshift,
in astronomy, the systematic displacement of individual lines in the spectrum of a celestial object toward the red, or longer wavelength, end of the visible spectrum. The effect was discovered by V. M. Slipher of Lowell Observatory.
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. Blue shifted celestial bodies are quite rare. Of the billions of known galaxies, only about 100, including the AndromedaAndromeda,
in astronomy, northern constellation located to the NE of Pegasus and to the S of Cassiopeia. Its brightest star, Alpheratz (Alpha Andromedae), marks the northeast corner of the Great Square in Pegasus.
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 galaxy, are blue shifted.

blue shift

[′blü ‚shift]
(astronomy)
A displacement of lines in the spectrum of a celestial object toward shorter wavelengths, indicating motion of the object toward the observer.
References in periodicals archive ?
However, in solid state, all the polymers P1-P3 had blue shift compared to their emissions in THF, with an emission of PI at 359 nm and the polymers P2 and P3, having two close emission maxima of 422 and 441 and 420 and 442 nm, respectively (Fig.
As the sole author behind Blue Shift, Chris O'Connell is also working as the primary producer, animator, and director on the Blue Shift independent animated film.
Pictured at the Lexus Design Disrupted Gareth Pugh FASHION show, the 36-year-old is electric in a sleek blue shift with front ruffle and zip detail.
Meanwhile, Welsh soprano Katherine Jenkins looked stunning in a lovely blue shift dress with a cinched-in waist, which she teamed with a striking fascinator.
to this season fln's looks te n s hott They re e tte g UNDER Rguide FIVERFIVER FIVER Jsm Julie's fashion season's haves must-Pink and black dress PS45 Paper Dolls Yellow dress PS35 Miss Selfridge Black & blue dress Pink contrast collar dress Blue shift dress PS30 Dunnes PS44 lavishalice.
In general, introduction of electron donating groups to the meso position (8th position) causes blue shift of the absorption while electron withdrawing groups show the opposite effect (Loudet & Burgess 2007; Nepomyashchii 2010.
Flower borders SWEET pea lovers will be fascinated by Blue Shift, a new variety from T&M that has astonishing colourchanging blooms.
99) Wallis monochrome print dress, pounds 38 Long Tall Sally blue shift dress, pounds 65 M&Co silver ruffle dress, pounds 80 Limited Edition cropped jacket, pounds 199, Empire grape skirt, pounds 149, and Empress sweater, pounds 49, all from Hobbs
Measurements showed that the blue shift can be detected underwater, the researchers report in the March Journal of Experimental Biology.
Otherwise (source further away from body than receiver), the light undergoes a blue shift.
A director, playwright and actor, he is the founding artistic director of North Carolina's Blue Shift Theatre Ensemble and has directed for such companies as Los Angeles's Mark Taper Forum and Seattle Repertory Theatre.
The magnitude of the blue shift decreased as a function of glucose concentration when glucose approached 20 mmol/L (3).