这反映了附近恒星的光热，2170星系是由其他蓝色反射星云，紧凑的红色发光区域，以及在模糊的背景下对恒星尘埃的飘带组成。

Reflecting the light of nearby hot stars, NGC 2170 is joined by other bluish reflection nebulae, a compact red emission region, and streamers of obscuring dust against a backdrop of stars.

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它具有体积小、耗能低、发光热量低、防潮、防震且操作简便的特点。

The LED cold light source has the advantages of small volume, low energy consumption and lighting heat quantity, moisture and shock resistance and simple and convenient operation.

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