| 单词 | cold dark matter |
| 释义 | > as lemmascold dark matter cold dark matter n. Astronomy dark matter consisting of weakly interacting particles whose random motion soon after the big bang was negligible. ΘΚΠ the world > the universe > diffused matter > [noun] > dark matter > types of cold dark matter1984 hot dark matter1984 1984 J. R. Primack & G. R. Blumenthal in NATO ASI Ser. C 117 166 We will consider here the physical and astrophysical implications of three classes of elementary particle D[ark] M[atter] candidates, which we will call hot, warm, and cold. (We are grateful to Dick Bond for proposing this apt terminology.).. Cold DM consists of particles for which free streaming is of no cosmological importance.] 1984 Astrophysical Jrnl. 285 l39 (title) Fine-scale anisotropy of the cosmic microwave background in a universe dominated by cold dark matter. 1986 Sci. Amer. Dec. 57/3 The cold-dark-matter hypothesis has forged a strong link between particle physics and cosmology. 1993 Time 18 Jan. 49/3 Both [axions and WIMPS] are known..as cold dark matter (cold refers not just to their temperature but also to the fact that they move slowly..). < as lemmas |
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