艾里的实验和运动介质对光的拖拽

IF 0.6 Q4 PHYSICS, MULTIDISCIPLINARY

Physics Essays Pub Date : 2023-09-19 DOI:10.4006/0836-1398-36.3.274

Filip Dambi Filipescu

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引用次数: 0

摘要

艾里用望远镜垂直观测了天龙座γ星。在观测时，他在望远镜中插入了一根装有水的管子，希望能调节望远镜的倾角。结果是，无论管里有没有水，恒星的图像都是一样的。在管中有水且没有运动介质拖拽光线的情况下，本文指出，望远镜捕捉到的图像有0.053 mm的位移，可能无法观测到;因此，不需要调整望远镜的倾角。考虑到管内的水对光的拖曳作用，在牛顿物理框架下根据艾里的实验结果推导出的阻力系数公式与菲涅耳基于以太理论推导出的公式相同。

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Airy's experiment and the dragging of light by a moving medium

Airy observed the star γ Draconis with the telescope vertically. During observation, he introduced a tube with water in the telescope and expected to adjust the inclination of the telescope. The result was that the star's image was the same with or without water in the tube. With water in the tube and no dragging of light by the moving medium, this article indicates that the image captured by the telescope has a shift of 0.053 mm that may not be observable; therefore, there is no need to adjust the inclination of the telescope. Considering the dragging of light by the water in the tube, the derived formula of the drag coefficient in the framework of Newtonian physics based on Airy's experimental result is identical to that offered by Fresnel based on the ether theory.

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来源期刊

Physics Essays PHYSICS, MULTIDISCIPLINARY-

自引率

83.30%

发文量

审稿时长

6-12 weeks

期刊介绍： Physics Essays has been established as an international journal dedicated to theoretical and experimental aspects of fundamental problems in Physics and, generally, to the advancement of basic knowledge of Physics. The Journal’s mandate is to publish rigorous and methodological examinations of past, current, and advanced concepts, methods and results in physics research. Physics Essays dedicates itself to the publication of stimulating exploratory, and original papers in a variety of physics disciplines, such as spectroscopy, quantum mechanics, particle physics, electromagnetic theory, astrophysics, space physics, mathematical methods in physics, plasma physics, philosophical aspects of physics, chemical physics, and relativity.