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Galaxies: star formation (2) |
ISM: molecules (2) |
Stars: formation (2) |
H II regions (1) |
ISM: clouds (1) |
Stars: protostars (1) |
Galaxies: star formation (2) |
ISM: molecules (2) |
Stars: formation (2) |
H II regions (1) |
ISM: clouds (1) |
Stars: protostars (1) |