Trắc nghiệm: Not long after Galileo’s time. Sir Isaac Newton invented another kind of telescope which he used mirrors instead of lenses,Not long after Galileo’s time. Sir Isaac Newton invented another kind of telescope which he used mirrors instead of lenses.

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Not long after Galileo’s time. Sir Isaac Newton invented another kind of telescope which he used mirrors instead of lenses, Not long after Galileo’s time. Sir Isaac Newton invented another kind of telescope which he used mirrors instead of lenses.

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