aberration of fixed stars
简明释义
恒星光行差
英英释义
例句
1.The telescope's calibration must account for the aberration of fixed stars to ensure precise observations.
望远镜的校准必须考虑到恒星的像差,以确保观察的精确性。
2.Understanding the aberration of fixed stars is crucial for accurate star mapping.
理解恒星的像差对于准确的星图绘制至关重要。
3.In her research paper, she discussed the implications of aberration of fixed stars on long-distance space travel.
在她的研究论文中,她讨论了恒星的像差对远距离太空旅行的影响。
4.The astronomer explained the concept of aberration of fixed stars to his students, emphasizing its importance in celestial navigation.
天文学家向学生们解释了恒星的像差的概念,强调了它在天体导航中的重要性。
5.The phenomenon of aberration of fixed stars was first described by James Bradley in the 18th century.
恒星的像差现象首次由詹姆斯·布拉德利在18世纪描述。
作文
The concept of aberration of fixed stars refers to a phenomenon in astronomy where the apparent position of stars is altered due to the motion of the Earth in its orbit around the Sun. This effect was first discovered by the astronomer James Bradley in the early 18th century. The term 'aberration' itself comes from the Latin word 'aberratio', which means deviation or wandering. In essence, aberration of fixed stars is a result of the finite speed of light and the orbital motion of our planet. Understanding this phenomenon is crucial for astronomers because it impacts the precision of celestial measurements. When we observe stars from Earth, we are not seeing them in their true positions; instead, their light is affected by the Earth's velocity. This means that if we want to accurately map the positions of stars, we must account for the aberration of fixed stars. The aberration of fixed stars can be likened to a visual illusion. Imagine standing at a bus stop as a bus approaches. If you are standing still and the bus moves towards you, it appears to come from a different angle than it actually does. Similarly, as the Earth moves, the light from distant stars seems to come from slightly different positions than where the stars truly are.Bradley's discovery of aberration of fixed stars was groundbreaking because it provided evidence for the motion of the Earth. Prior to this, many believed that the stars were fixed in place and that the Earth was the center of the universe. However, with the realization of aberration of fixed stars, it became clear that our perspective of the cosmos is influenced by our own movement through space. This understanding paved the way for future astronomical discoveries and challenged long-held beliefs about the universe.Furthermore, the study of aberration of fixed stars has practical applications beyond theoretical astronomy. For example, it is essential for navigation and satellite technology. GPS systems rely on precise measurements of time and distance, which are affected by the aberration of fixed stars. If these calculations are not accurate, it could lead to significant errors in positioning. In conclusion, the aberration of fixed stars is a fascinating topic that intertwines physics, astronomy, and even technology. It serves as a reminder of how our understanding of the universe is constantly evolving and how our perspective can change based on our own movements. By studying phenomena like aberration of fixed stars, we gain deeper insights into the nature of reality and our place within the cosmos. The implications of this phenomenon reach far beyond the field of astronomy, influencing various aspects of science and technology, and demonstrating the interconnectedness of all things in the universe.
“固定星体的像差”这一概念指的是天文学中一种现象,即由于地球在其围绕太阳轨道上的运动,恒星的表观位置发生了改变。这个效应最早是由18世纪初的天文学家詹姆斯·布拉德利发现的。“像差”一词源自拉丁语“aberratio”,意为偏离或游荡。本质上,“固定星体的像差”是光速有限和我们星球轨道运动的结果。理解这一现象对天文学家至关重要,因为它影响着天体测量的精确性。当我们从地球观察恒星时,我们并不是看到它们真实的位置;相反,它们的光线受到地球速度的影响。这意味着如果我们想要准确绘制恒星的位置,就必须考虑“固定星体的像差”。“固定星体的像差”可以比作一种视觉错觉。想象一下你站在公交车站,公交车驶来。如果你站着不动,而公交车向你驶来,它似乎从一个不同的角度过来。类似地,随着地球的运动,来自遥远恒星的光似乎来自于与恒星真实位置略微不同的地方。布拉德利对“固定星体的像差”的发现是开创性的,因为它为地球的运动提供了证据。在此之前,许多人认为恒星是固定不变的,地球是宇宙的中心。然而,通过意识到“固定星体的像差”,显然我们的宇宙视角受到我们自身在空间运动的影响。这一理解为未来的天文发现铺平了道路,并挑战了长期以来对宇宙的信仰。此外,研究“固定星体的像差”在理论天文学之外也具有实际应用。例如,它对导航和卫星技术至关重要。GPS系统依赖于时间和距离的精确测量,而这些测量受“固定星体的像差”的影响。如果这些计算不准确,可能会导致定位上的重大错误。总之,“固定星体的像差”是一个引人入胜的话题,它将物理学、天文学甚至技术结合在一起。它提醒我们对宇宙的理解是不断发展的,而我们的视角会因自身的运动而变化。通过研究像“固定星体的像差”这样的现象,我们对现实的本质以及我们在宇宙中的位置有了更深刻的认识。这一现象的影响远远超出了天文学领域,影响着科学和技术的各个方面,展示了宇宙中万物的相互联系。
相关单词