| 单词 | high-velocity clouds |
| 释义 | high-velocity cloudshigh-velocity cloudsSmall molecular and diffuse clouds, often far from the galactic plane, that have radial velocities differing significantly – sometimes up to 100 km s–1 – from those predicted by a simple Galactic rotation curve. Some may be associated with tidal effects, such as the Magellanic Stream (see Magellanic Cloud), while others are more likely due to galactic fountains. |
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