audience and the differentiation of strata of culture (philosophers and savants who wrote for their peers in new communicative media or to free the ‘public’ from superstitious beliefs). These later editions also reflect a growing disintegration of the ‘integrated theory’ that had generated a cultural object shared by the whole of the society and for which the Flugschriften served as a discursive genre. Thus, the abrupt disappearance of the cometary Flugschrift after 1700, when cometary phenomena witnessed a widening variety of expressive forms and a plurality of approaches and interests. The book closes with a fifth part (pp. 493–529) of conclusions and a rich bibliography (pp. 530–580), especially valuable for its primary sources, which the author skillfully identifies by indicating their registration in the general bibliographical repertoires VD 16 and VD 17 (where the interested reader may find rapid access to digitalized reproductions). In sum, this is a fundamental and already indispensable work for all interested in the transformation of social and scientific representation of comets in the framework of the cultural and scientific revolution of the sixteenth and seventeenth centuries. It is also worth saying that the reading of the nearly 600 pages of this study is alleviated and facilitated by its clear and transparent German. The only regrettable oversight is the absence of an index of names.

中文翻译：

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早期现代彗星和印刷术

受众和文化阶层的分化（哲学家和学者在新的传播媒体中为同龄人写作或将“公众”从迷信中解放出来）。这些后来的版本也反映了“综合理论”的日益瓦解，这种理论已经产生了一种为整个社会共享的文化对象，并且使 Flugschriften 成为一种话语体裁。因此，1700年后彗星Flugschrift的突然消失，当时彗星现象见证了越来越多的表现形式和多种方法和兴趣。本书以第五部分（第 493-529 页）的结论和丰富的参考书目（第 530-580 页）结尾，对于其主要来源尤其有价值，作者通过在一般书目曲目 VD 16 和 VD 17（感兴趣的读者可以快速访问数字化复制品）中注明其注册来巧妙地识别它们。总之，对于所有对在 16 世纪和 17 世纪的文化和科学革命框架内改变彗星的社会和科学表征感兴趣的人来说，这是一项基本且已经不可或缺的工作。还值得一提的是，这项研究近600页的阅读因清晰透明的德语而得到缓解和促进。唯一令人遗憾的疏忽是没有姓名索引。对于所有对在 16 世纪和 17 世纪的文化和科学革命框架内改变彗星的社会和科学表征感兴趣的人来说，这是一项基本的、已经不可或缺的工作。还值得一提的是，这项研究近600页的阅读因清晰透明的德语而得到缓解和促进。唯一令人遗憾的疏忽是没有姓名索引。对于所有对在 16 世纪和 17 世纪的文化和科学革命框架内改变彗星的社会和科学表征感兴趣的人来说，这是一项基本的、已经不可或缺的工作。还值得一提的是，这项研究近600页的阅读因清晰透明的德语而得到缓解和促进。唯一令人遗憾的疏忽是没有姓名索引。