两个橙色的亮点是老星系的核心部位，粉红色的东西是氢，蓝色的区域有恒星正在形成。
The two orange dots are the cores of the old galaxies. Pink is hydrogen; blue the star-forming regions.
我们通过中红外波长来测量在老的且演化中的恒星（带有红色色彩蓝色恒星）中形成的尘埃。
The dust being formed in old, evolved stars (blue stars with a red tinge) is measured using mid-infrared wavelengths.
我们通过中红外波长来测量在老的且演化中的恒星（带有红色色彩蓝色恒星）中形成的尘埃。
The dust beingformed in old, evolved stars (blue stars with a red tinge) is measuredusing mid-infrared wavelengths.
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