夏季的早晨，低空中空气稳定，很少尘埃，如果当时有鲜艳的红霞，则称为早霞。
In summer morning, the low-altitude air stability, little dust, had a bright Fog, were called alpenglow.
科学家们知道行星是从年轻的恒星周围的物质盘中形成的，但是理论认为从尘埃盘到行星系统的转变非常快，人们很少见到在这一阶段的物体。
Scientists know planets form out of the discs of material around young stars, but theory says the transition from dust disc to planetary system is rapid and few objects are caught during this phase.
NGC 1132是一个椭圆星系，因此少有尘埃和气体，最近也很少有新恒星形成。
As an elliptical galaxy, NGC 1132 has little dust and gas, and few stars have formed in it recently.
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