English Explanatory Dictionary

massive compact halo object

English dictionary entry

Meanings

noun
  1. Any kind of astronomical body comprising normal baryonic matter that in sufficient numbers might explain the apparent presence of dark matter in galaxy halos.

Word forms

massive compact halo object massive compact halo objects massive astronomical compact halo object massive astrophysical compact halo object massive and compact halo object

Etymology

Perhaps coined with the acronym, MACHO, in mind. See also WIMP, which represents a competing hypothesis.

Synonyms

MACHO

Derived words

MACHO
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