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What does it mean when an emission line of helium

What does it mean when an emission line of helium from a Galaxy is shifted toward red
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What does it mean when an emission line of helium from a galaxy is shifted towards red?
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2. asked by Lynn
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Question 6 (1 point)The most abundant element in all stars is a Hydrogen b Helium c Iron d Carbon This chart above is an example
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2. asked by PJ
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An electron of wavelength 1.74*10-10m strikes an atom of ionized helium (He+). What is the wavelength (m) of the light
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2. asked by James
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An electron of wavelength 1.74*10-10m strikes an atom of ionized helium (He+). What is the wavelength (m) of the light
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2. asked by Maikol
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An electron of wavelength 1.74*10-10m strikes an atom of ionized helium (He+). What is the wavelength (m) of the light
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2. asked by Echoes
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An electron of wavelength 1.74*10-10m strikes an atom of ionized helium (He+). What is the wavelength (m) of the light
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2. asked by James
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Which type of emission closely traces the star-forming regions of a galaxy?none of these coronal X-ray emission 21 cm emission
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2. asked by C
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Which type of emission closely traces the star-forming regions of a galaxy?- molecular CO emission - coronal X-ray emission - 21
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2. asked by qwerty
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ok I'm having trouble with graphing this chemistry lab. It's on atomic emission spectra. In this experiment we observed the line
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2. asked by natash
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