It is hypothesized that the primordial cloud of dust and gas from which all the planets are thought to have condensed had a composition somewhat similar to that of Jupiter.

据推测，所有行星都是由尘埃和气体组成的原始云团凝聚而成，其组成与木星的组成有些相似。

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In the well known Pleiades star cluster, starlight is slowly destroying this wandering cloud of gas and dust.

在著名的昴宿星团里，星光正缓慢地摧毁这些游荡的气体和尘埃的云团。

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The interstellar cloud of gas and dust is an active star-forming region.

由气体和尘埃组成的星系云是一个恒星形成的活跃区域。

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Mr. EICHER: We can't really understand the solar system and how it got going unless we can really understand the origins and the conditions that happened when the solar nebula, this cloud of gas and dust, contracted down and the star turned on and the planets got going.

NPR: NASA 'Deep Impact' Probe Targets Comet

By observing the cloud of dust and gas kicked up by each impact, scientists knew they could obtain valuable data about the Moon's composition.

BBC: Nasa reveals new information about moon probes crash sites