According to one hypothesis, the planet's gravitational field tugs on the protoplanetary disk of dust and gas from which it formed.

根据一种假设，这颗行星的重力场会对由尘埃和气体组成的原行星盘产生牵引力。

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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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Planets are believed to emerge from the accretion of particles in a disk of gas and dust as they whirl around the star.

行星被认为是由围绕恒星旋转的气体和尘埃组成的圆盘中的粒子累积而成。

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Mr. Reid noted that: "Our galaxy probably has 4, not 2, spiral arms of gas and dust that are forming stars."

VOA: special.2009.01.20

A comet is a huge ball of frozen gas and dust that often releases a long trail of material as it nears the sun.

VOA: special.2009.09.30

These huge groups of stars, gas and dust can be many thousands of light years across.

VOA: special.2009.01.20

Large-scale structures are also visible, such as large clouds of dust and gas where stars are forming at rapid rates.

MSN: New Milky Way photo captures 1 billion stars

This says that the exploding material (whatever it may be) races outwards and collides with interstellar dust and gas, producing radiation.

ECONOMIST: A symphony in gamma major

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