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Why do stars of spectral class M not show strong lines of hydrogen in their spectra?
their surfaces are so cool that most hydrogen is in the ground state.
The spectral lines from distant galaxies do not match spectral lines on Earth due to?
wavelength shift
Quasars have what kind of spectral lines?
Quasars have all kinds of spectral lines namely more energetic ones which makes them the brightest objects in the night sky.
Does Every element and compound in nature have a unique set of spectral lines?
Elements have several spectral lines and although some lines may be the same between different elements most lines are not and the whole spectrum for each element is indeed unique.
Can the spectral lines for two different elements be identical?
no, it is impossible
Why do stars of spectral class M not show strong lines of hydrogen in their spectra?
their surfaces are so cool that most hydrogen is in the ground state.
When astronomers look for evidence of hydrogen gas in the spectra of the Sun the planets and nearby stars the positions of the spectral features or lines due to hydrogen are different or the same?
They are the same.
How did scientist discovered that stars were made up mostly of hydrogen since stars are so far away rom earth?
Spectral lines of hydrogen in star light.
What led niels bohr to his discover?
Bohr proposed his model for the atom because (1) it easily explained spectral lines of hydrogen and (2) other models failed to do so. The model was accepted when it was successful in predicted spectral lines of ionized helium.
The spectral lines from distant galaxies do not match spectral lines on Earth due to?
wavelength shift
In science what is meant by the Lyman series?
The Lyman series is scientifically defined as the series of transitioning of hydrogen atom spectral lines that are found within emission lines of ultra violet.
Spectral lines are of particular importance in astronomy because?
For one reason, astronomers can figure out what stars are composed of by looking at their spectral lines.
What is the splitting of spectral lines called?
Spectroscopy.
Quasars have what kind of spectral lines?
Quasars have all kinds of spectral lines namely more energetic ones which makes them the brightest objects in the night sky.
Why would the star Sirius find that its spectral lines are blue shifted?
The spectral lines of Sirius are blueshifted because the star is moving more or less toward us.
Does Every element and compound in nature have a unique set of spectral lines?
Elements have several spectral lines and although some lines may be the same between different elements most lines are not and the whole spectrum for each element is indeed unique.
Can the spectral lines for two different elements be identical?
no, it is impossible
