intrinsic brightness

简明释义

本征亮度

英英释义

例句

1.Astronomers often compare the intrinsic brightness of supernovae to better understand their explosion mechanisms.

天文学家常常比较超新星的固有亮度以更好地理解它们的爆炸机制。

2.The intrinsic brightness of a light bulb can vary based on its wattage and design.

灯泡的固有亮度可能因其功率和设计而有所不同。

3.The telescope was designed to measure the intrinsic brightness of distant stars, which helps astronomers determine their distance from Earth.

这个望远镜旨在测量遥远星星的固有亮度，这帮助天文学家确定它们与地球的距离。

4.The intrinsic brightness of a galaxy can indicate the amount of star formation occurring within it.

一个星系的固有亮度可以指示其内部发生的恒星形成数量。

5.In astrophysics, understanding a star's intrinsic brightness is crucial for calculating its luminosity and life cycle.

在天体物理学中，理解恒星的固有亮度对于计算其光度和生命周期至关重要。

作文

In the vast universe, stars are not merely points of light; they are celestial bodies that possess a unique quality known as intrinsic brightness. This term refers to the true luminosity of a star, independent of its distance from Earth. Understanding intrinsic brightness is crucial for astronomers as it allows them to determine how much energy a star emits and its stage in the stellar lifecycle. For instance, two stars may appear equally bright from our perspective, but their intrinsic brightness can differ significantly based on their distances. This concept is fundamental in the field of astrophysics and helps scientists decipher the properties of distant galaxies and the universe as a whole.The measurement of intrinsic brightness often involves the use of standard candles, which are objects with known luminosity. By comparing the apparent brightness of these standard candles to their intrinsic brightness, astronomers can calculate the distance to other celestial objects. This method has been pivotal in expanding our understanding of the universe, leading to the discovery of phenomena such as dark energy and the accelerating expansion of the universe.Moreover, intrinsic brightness plays a significant role in the life cycle of stars. For example, massive stars have a much higher intrinsic brightness compared to smaller stars. As they evolve, their brightness changes, often dramatically. A star like Betelgeuse, a red supergiant, showcases an enormous intrinsic brightness that can vary due to pulsations in its outer layers. Such variations provide insights into the physical processes occurring within the star, enhancing our knowledge of stellar evolution.The concept of intrinsic brightness also extends beyond astronomy into other fields such as art and philosophy. In art, the idea of intrinsic qualities can be paralleled with the inherent value or beauty of a piece, irrespective of external perception. Similarly, in philosophy, discussions about intrinsic versus extrinsic value often arise, emphasizing the importance of understanding something's true nature rather than relying solely on outward appearances.In conclusion, intrinsic brightness is a multifaceted concept that transcends its astronomical roots. It embodies the essence of understanding true luminosity in stars while also reflecting deeper philosophical inquiries about value and perception. As we continue to explore the cosmos and our place within it, the study of intrinsic brightness remains a beacon guiding us toward greater knowledge and appreciation of the universe's wonders.

在广袤的宇宙中，星星不仅仅是光点；它们是拥有一种独特品质的天体，这种品质被称为内在亮度。这个术语指的是星星的真实光度，与其距离地球无关。理解内在亮度对天文学家来说至关重要，因为它使他们能够确定一颗星星发出的能量以及其在恒星生命周期中的阶段。例如，两颗星星从我们的角度看起来同样明亮，但由于它们的距离不同，它们的内在亮度可能大相径庭。这个概念在天体物理学领域中是基础性的，帮助科学家揭示遥远星系和整个宇宙的特性。内在亮度的测量通常涉及使用标准烛光，这些物体具有已知的光度。通过将这些标准烛光的表观亮度与其内在亮度进行比较，天文学家可以计算出其他天体的距离。这种方法在扩展我们对宇宙的理解方面至关重要，导致了暗能量和宇宙加速膨胀等现象的发现。此外，内在亮度在恒星的生命周期中也扮演着重要角色。例如，大质量恒星的内在亮度远高于小恒星。随着它们的演化，其亮度会发生显著变化。一颗像猎户座β这样的红超巨星展示了巨大的内在亮度，由于其外层的脉动，这种亮度可能会变化。这些变化提供了关于恒星内部发生的物理过程的见解，增强了我们对恒星演化的知识。内在亮度的概念还超越了天文学，延伸到艺术和哲学等其他领域。在艺术中，内在品质的概念可以与一件作品的固有价值或美感相提并论，而不依赖于外部感知。类似地，在哲学中，关于内在价值与外在价值的讨论经常出现，强调理解事物真实本质的重要性，而不是仅仅依赖于外在表现。总之，内在亮度是一个多面的概念，超越了其天文学根源。它体现了理解恒星真实光度的本质，同时也反映了关于价值和感知的更深层次的哲学探讨。随着我们继续探索宇宙及其在其中的位置，对内在亮度的研究仍然是引导我们走向更大知识和对宇宙奇迹的欣赏的灯塔。