Galactic Worm 123.4-1.5 (GW 123.4-1.5) is an H I region with a mass of approximately 105 MSun. It has an unusual mushroom-shaped structure that may be the result of having been formed by an infalling cloud slamming through the disc of the Milky Way from the other side.
Galactic Worm 123.4-1.5 (GW 123.4-1.5) is an H I region with a mass of approximately 105 MSun. It has an unusual mushroom-shaped structure that may be the result of having been formed by an infalling cloud slamming through the disc of the Milky Way from the other side.
Source: Wikipedia "GW 123.4-1.5" · CC BY-SA 4.0
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