Because the available water is spread among more particles, the cloud droplets that form in the ships' wakes are smaller than typical Marine layercloud droplets.
由于这些水分分散在更多的颗粒中，在船舶航迹中形成的云滴比典型的海洋层云滴要来的小。
2
The fragments themselves almost certainly contained no sulfur, but astronomers believe that the cloudlayer below Jupiter's outer atmosphere does contain sulfur.
这些碎片本身几乎不含硫，但天文学家相信，木星外层大气之下的云层中确实含有硫。
3
Scientists first identified this impact in 1980 from the worldwide layer of sediment deposited from the dust cloud that enveloped the planet after the impact.