The image from the Hubble Space Telescope is a spectacular visual reminder of just how thin disk galaxies can be.
这张哈勃太空望远镜拍摄的照片让我们震撼于这个星系的平整度。
It's just beyond the visual limit, so... you'll be able to spot Neptune with a small telescope or even just a pair of binoculars.
这只是超出了肉眼的视觉极限而已，因此……你可以用小型望远镜，甚至是一副双筒望远镜便可以看见海王星。
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