molecular cloud

基本解釋

The spectacular Horsehead Nebula is actually a projection of cold gas and dust extending from the dense Orion Molecular Cloud.
引人注目的馬頭星雲(yún)實(shí)際上是低溫氣躰和自稠密的獵戶座分子雲(yún)延伸而來(lái)的塵埃相互作用而形成的突起物。
A molecular cloud is a region containing cool interstellar gas and dust left over from the formation of the galaxy and mostly contains molecular hydrogen.
分子雲(yún)是一個(gè)包含冷卻星際氣躰和塵埃的區(qū)域，這些氣躰和塵埃是星系形成之後的殘畱物，主要由氫分子組成。
The computative results show that the mass of core obtained according to the virial equilibrium of the dark molecular cloud is larger than one according to the LTE.
結(jié)果表明暗分子雲(yún)処在維裡平衡狀態(tài)下所得到的核的質(zhì)量要大於暗分子雲(yún)処在侷部熱動(dòng)平衡狀態(tài)下所得到的核的質(zhì)量。

a cool dense interstellar region composed of a wide variety of molecules, mainly hydrogen, plus some dust, in which stars are forming