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Smith Cloud Survives Galactic Collision Thanks To Full Dark-matter Facket
2014-05-23 03:44:33

Like a bullet wrapped in a full metal jacket, a high-velocity hydrogen cloud hurtling toward the Milky Way appears to be encased in a shell of dark matter. stronomers believe that without this protective shell, the high-velocity cloud (HVC) known as the Smith Cloud would have disintegrated long ago when it first collided with the disk of our Galaxy.


Word of the Day
coruscant
  • Emitting flashes of light; glittering.
The word 'coruscant' comes from a Latin word meaning 'to flash' or 'to sparkle'.
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