massive compact halo object

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English[edit]

Wikipedia

Etymology[edit]

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

Alternative forms[edit]

Noun[edit]

massive compact halo object (plural massive compact halo objects)

  1. (astronomy, physics) Any kind of astronomical body comprising normal baryonic matter that in sufficient numbers might explain the apparent presence of dark matter in galaxy halos.

Translations[edit]