普朗克卫星7月刚发布了宇宙最早光的第一张映射图，只有通过这样一个新的微波背景映射器，才可以解决这一备受争议的理论。
The controversial theory could be settled by a new microwave background mapper, the Planck satellite, which released its first map of the universe's earliest light in July.
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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