Binoculars help out with the search, although both worlds are actually visible to the unaided eye in a clear sky.

虽然两颗星体在明净的天空都能够用肉眼看到，但是用一副双筒望远镜能更好观测。

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SI2 Slightly Included: Inclusions are visible under 10x magnification, and may be visible with the unaided eye. A good diamond value.

SI同样分成1,2两级，意指瑕疵在10倍放大率之下可见，并且在肉眼之下也可能被看到。也算是比较不错的钻石。

youdao

SI2 Slightly Included: Inclusions are visible under 10x magnification, and may be visible with the unaided eye. A good diamond value.

SI同样分成1,2两级，意指瑕疵在10倍放大率之下可见，并且在肉眼之下也可能被看到。也算是比较不错的钻石。

youdao