The HI 21 cm position-position-velocity map of G165 observed by FAST (IMAGE)

Chinese Academy of Sciences Headquarters

The HI 21 cm position-position-velocity map of G165 observed by FAST

Caption

The HI 21 cm data show that G165's WNM is not calm or featureless, as once assumed based on observations in the denser Galactic plane. Instead, it's supersonic and highly structured

Credit

SHAO

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