Stars are born from the interstellar medium, and aging or dying stars return gas and dust back into the interstellar medium.
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Q3: Calculations of the Sun's future evolution indicate
Q4: The coronal gas in the interstellar medium
Q5: Interstellar extinction and the reddening of light
Q6: The emission lines from O III are
Q7: H II Regions are also called emission
Q9: Molecular clouds are mapped using _ gas
Q10: The intercloud medium is believed to make
Q11: H I clouds can be observed using
Q12: Because blue light has a shorter wavelength
Q13: The interstellar medium is composed of mainly
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