(Smith's Cloud, Lockman Cloud)
(high-velocity cloud on collision course with Milky Way)
The Smith Cloud (or Smith's Cloud or Lockman Cloud)
is a high-velocity cloud within the galactic halo
of the Milky Way that apparently will collide
with the Milky Way disk in 30 million years.
It shows a comet-like tail.
Its trajectory to collide with the Milky Way disk
gives credence to the notion that some star formation
arises from such collisions, e.g., that of Gould's Belt.
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Referenced by pages:
high-velocity cloud (HVC)