Not long after Galileo saw the moon up close, inventors like Johannes Kepler, Isaac Newton and n. Cassegrain made a succession of major innovations in telescope design.

伽利略看到月球景象后不久，开普勒、牛顿、卡塞格伦都为望远镜的改进设计做出了很大贡献。

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There have been many cases of researchers and inventors making major breakthroughs while they were actually trying to solve another problem or create a different device.

有很多实例表明，有重大突破的研究人员和发明家，原本是要试图解决其他问题或是发明别的仪器。

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