冷つめたい暗あん黒こく物ぶっ質しつ

expression, noun

cold dark matter

A technical term in cosmology for a hypothetical form of dark matter composed of slow-moving particles. Often contrasted with 熱い暗黒物質 (hot dark matter).

See also: 熱い暗黒物質

• 冷つめたい暗あん黒こく物ぶっ質しつは、宇う宙ちゅうの大だい規き模ぼ構こう造ぞうの形けい成せいに重じゅう要ような役やく割わりを果はたしたと考かんがえられている。

  Cold dark matter is thought to have played an important role in the formation of large-scale structures in the universe.