Okay. This is only the first mention of Galileo in the poem and, as you will see if you're careful in looking at your footnotes in the Hughes, appears two other times within the later similes in the poem, always in a simile.

这只是此诗中第一次提到伽利略，如果认真读的话，会发现更多,特别是在休斯版的脚注里，在后面的比喻里伽利略又出现了两次，他总是出现了比喻里。

耶鲁公开课 - 弥尔顿课程节选