massive compact halo object love

massive compact halo object

Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun 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.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

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

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