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Massive Compact Halo Object MACHO
2004-10-19 04:45:41

Massive Compact Halo Object (MACHO) -- Massive compact halo objects, or MACHOs, are a type of astronomical body proposed as one possible explanation for the presence of dark matter in galactic halos. A MACHO is a small chunk of normal baryonic matter, far smaller than a star, which drifts through interstellar space unassociated with any solar system. Since MACHOs would not emit any light of...

Word of the Day
plim
  • To swell, as grain or wood with water.
The word 'plim' is probably a variant of the word 'plum'.
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