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。

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

youdao

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。

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

youdao