在长时间曝光中的运动在星光熠熠的背景和下方变暗了的城市灯光上产生了条纹。
Motion during the long exposure produced streaks in the starry background and the city lights on the darkened planet below.
当宇宙微波背景辐射通过星系团时，气体将其中光线散射开来，其方式类似于地球大气层散射星光而使一些星星貌似闪烁。
These gases scatter light from the cosmic microwave background radiation as it passes through the clusters, similar to the way Earth's atmosphere can scatter starlight, making some stars twinkle.
另外宇宙中的尘埃吸收了遥远的星光，然后再次以红外光的形式散发出来，这就形成了另外的一些宇宙红外光背景。
Other parts of the cosmic infrared background are from distant starlight absorbed by dust and re-emitted as infrared light.
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