Nebular Hypothesis [天] 星云假说 ; 星云说 ; 星云假说气象 ; 太阳星云
nebular line [天] 星云线 ; [天] 星云谱线
nebular envelope [天] 星云状外壳
nebular spectrum 星云光谱
nebular cloud 宇宙云
nebular variable [天] 星云变星
nebular stage [天] 星云阶段
nebular spectrograph [天] 星云摄谱仪
They are truly lumps of nebular matter, probably similar in composition to the matter from which planets were assembled.
它们的确是星云物质组成的团块，其组成物质可能与行星形成时的物质相似。
At one time it was thought that these matrix grains might be pristine nebular dust, the sort of stuff from which chondrules and inclusions were made.
曾经有人认为，这些基质颗粒可能是原始的星云尘埃，即形成陨石球粒及其内含物的物质。
The remnant nebular gas pervades the interplanetary space.
星云的残余气体充斥星际空间。
应用推荐