Приклади вживання Absorption lines Англійська мовою та їх переклад на Українською
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Absorption lines in the solar spectrum.
As in the solar spectrum,the spectrum of zodiacal light includes absorption lines.
Absorption lines in the solar spectrum.
At maximum these lines almost disappear or become shallow absorption lines.
Except for their absorption lines, the spectra of stars greatly resemble the spectra of blackbodies.
Better spectrography in the 1950s showed that CO2 and water vapor absorption lines did not overlap completely.
Fraunhofer lines, dark absorption lines that appear in the otherwise continuous spectrum of the sun and stars.
Molecularclouds< 1% 80 10- 20 102-106 molecular Radio and infrared molecular emission and absorption lines.
Normal dispersion of light seen in the distance from their own absorption lines, anomalous- within the lines or absorption lines.
The outermost layers of stars(the stars' atmospheres) are cooler and less dense than the interior,so the resultant stellar spectra have absorption lines.
As the spectrum of the latter did not display absorption lines of water, they believed they had detected the presence of water vapor in the atmosphere of Mars.
Astronomers measure the amount of each element present in stars by observing dark absorption lines in their spectra.
Doppler broadening of the reflected photospheric absorption lines completely obscures them, giving the spectral appearance of a continuum with no absorption lines.
In 1872 American physician Henry Draper, the son of John William Draper, recordedthe first spectrogram of a star(Vega) to show absorption lines.
When the spectrum of a Type II supernova is examined,it normally displays Balmer absorption lines- reduced flux at the characteristic frequencies where hydrogen atoms absorb energy.
Normally the atoms in a star's atmosphere will absorb certain frequencies of energy in the electromagnetic spectrum,producing characteristic dark absorption lines in the spectrum.
For nearby objects in the universe, spectral absorption lines are sharp, as only photons with energies just sufficient to cause an atomic transition can cause that transition.
The F-corona(F for Fraunhofer) is created by sunlight bouncing off dust particles,and is observable because its light contains the Fraunhofer absorption lines that are seen in raw sunlight;
Doppler broadening of the reflected photospheric absorption lines spreads them so greatly as to completely obscure them, giving the spectral appearance of a continuum with no absorption lines.
Linares and collaborators circumvent this problem by using high-quality optical spectra from the Gran Telescopio Canarias and other telescopes to identify,for the first time, absorption lines from both the cool side and the hot side of the companion star.
This means that instead of showing sharp spectral absorption lines, a quasar's light which has traveled through a large, spread out region of neutral hydrogen will show a Gunn-Peterson trough.
The star, KPD2055+3111, of spectral type sdOBwas,was identified as UV-bright in an image from the Ultraviolet Imaging Telescope, and absorption lines in its spectrum indicate that its light is partially intercepted by the supernova remnant.
Changes are observed in the absorption lines of the stellar spectrum: the occultation of the star by the gas cloud coming from the exocomet produces additional absorption features beyond those normally seen in that star, like those observed in the ionized calcium lines. .
The K-corona(K for kontinuierlich,"continuous" in German) is created by sunlight scattering off free electrons;Doppler broadening of the reflected photospheric absorption lines spreads them so greatly as to completely obscure them, giving the spectral appearance of a continuum with no absorption lines.
The main themes of Ellison's research are studying absorption lines in quasar spectra and studying the effects of environment on galaxy evolution.[3] Her quasar work has focused on studying the chemistry of gas along the line-of-sight to quasars such as Damped Lyman-alpha systems[4] and the Lyman-alpha forest.[5] Much of Ellison's most recent work has focused on using close pairs of galaxies in the Sloan Digital Sky Survey to investigate how galaxy interactions affect galaxy evolution.
The F-corona(F for Fraunhofer) is created by sunlight bouncing off dust particles,and is observable because its light contains the Fraunhofer absorption lines that are seen in raw sunlight; the F-corona extends to very high elongation angles from the Sun, where it is called the zodiacal light.
The star, KPD2055+3111, of spectral type sdOBwas,was identified as UV-bright in an image from the Ultraviolet Imaging Telescope,[15] and absorption lines in its spectrum indicate that its light is partially intercepted by the supernova remnant.[14] The emission properties of the star indicate that it lies about 1860 ly away,[14] giving an upper bound for the distance of the loop and supporting the previous estimate of 1470 ly.
This simple method is conceptually correct, but it cannot be used to obtain stellar temperatures accurately, because stars are not perfect blackbodies. The presence of various elements in the star's atmosphere will causecertain wavelengths of light to be absorbed. Because these absorption lines are not uniformly distributed over the spectrum, they can skew the position of the spectral peak. Moreover, obtaining a usable spectrum of a star is a time-intensive process and is prohibitively inefficient for large samples of stars.
In 2014, the rotation period of Beta Pictoris b wascalculated from the broadening of its carbon monoxide infrared absorption line.