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
Cold dark matter is thought to have played an important role in the formation of large-scale structures in the universe.
A direct translation of the English term 'cold dark matter', combining 冷たい (cold) + 暗黒物質 (dark matter).