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Subject
- narrow band photometry atomic spectroscopy3
- radio spectroscopy3
- astrophysical masers2
- bok globules2
- interstellar clouds2
- the sun2
- very long baseline interferometry2
- atomic spectroscopy1
- barium stars1
- constellations1
- dark matter1
- galactic center1
- interstellar cloud1
- light curves1
- markarian galaxies1
- molecular physics1
- observational astronomy1
- ring galaxies1
- stellar atmospheric opacity1
- stellar evolutionary tracks1
