massive compact halo object

短语

晕族大质量致密天体

词形变化

massive compact halo objects 复数 massive compact halo objects

别名

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

释义与例句

n.
  1. 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.

    晕族大质量致密天体

    天文 物理

词源

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

来源：wiktionary