visible brightness
简明释义
可见亮度
英英释义
Visible brightness refers to the intensity of light that can be perceived by the human eye, typically measured in terms of luminance. | 可见亮度是指人眼能够感知的光的强度,通常以亮度来衡量。 |
例句
1.In astronomy, the visible brightness 可见亮度 of stars is measured to determine their distance from Earth.
在天文学中,星星的可见亮度 visible brightness被测量以确定它们与地球的距离。
2.The LED lights are designed to provide maximum visible brightness 可见亮度 while consuming minimal energy.
这些LED灯的设计旨在提供最大可见亮度 visible brightness,同时消耗最少的能量。
3.During the presentation, the projector's visible brightness 可见亮度 was adjusted to ensure everyone could see the slides.
在演示过程中,投影仪的可见亮度 visible brightness被调整,以确保每个人都能看到幻灯片。
4.Photographers often adjust their settings to capture the visible brightness 可见亮度 of a scene accurately.
摄影师通常调整设置以准确捕捉场景的可见亮度 visible brightness。
5.The new smartphone features a display with enhanced visible brightness 可见亮度 for better outdoor visibility.
这款新智能手机的显示屏具有增强的可见亮度 visible brightness,以便在户外更好地观看。
作文
In the realm of astronomy, the concept of visible brightness plays a crucial role in how we perceive celestial objects. The term visible brightness refers to the amount of light that reaches our eyes from a star, planet, or any other astronomical body. This phenomenon is not only essential for astronomers but also for anyone who gazes at the night sky with wonder and curiosity. Understanding visible brightness allows us to appreciate the beauty of the universe and the intricate details of the objects within it.When we look up at the stars, we often find ourselves captivated by their twinkling lights. Each star has a different level of visible brightness, which can be influenced by several factors including distance, size, and temperature. For instance, a massive star like Sirius appears much brighter than smaller stars because it emits more light and is relatively closer to Earth. This difference in visible brightness helps us categorize stars into different classes, allowing astronomers to study their properties and understand their life cycles.Moreover, the human eye is limited in its ability to detect visible brightness. Our perception of brightness can be affected by atmospheric conditions, such as pollution or clouds, which can obscure our view of distant stars. In addition, the visible brightness of an object can change over time due to various phenomena, including supernova explosions or changes in a star's luminosity. These fluctuations can provide valuable information about the life stages of stars and their eventual fate.The measurement of visible brightness is not solely an academic pursuit; it has practical applications as well. For example, navigation has historically relied on the visible brightness of stars. Sailors would use the brightness of certain stars to guide their ships across the open sea. Even today, modern technology utilizes the principles of visible brightness in satellite communications and astrophotography, where accurate measurements are crucial for capturing the wonders of the universe.In conclusion, the concept of visible brightness is a fundamental aspect of astronomy that enhances our understanding of the universe. From the way we perceive stars to the practical applications in navigation and technology, visible brightness connects us to the cosmos in profound ways. As we continue to explore the night sky, let us remember that each point of light holds a story waiting to be discovered, and our understanding of visible brightness is key to unlocking those mysteries. Through this knowledge, we can foster a deeper appreciation for the universe and our place within it.
在天文学领域,可见亮度的概念在我们感知天体方面发挥着至关重要的作用。术语可见亮度指的是从恒星、行星或任何其他天体到达我们眼睛的光的数量。这种现象不仅对天文学家至关重要,也对任何怀着好奇和惊叹仰望夜空的人来说都如此。理解可见亮度使我们能够欣赏宇宙的美丽以及其中物体的复杂细节。当我们仰望星空时,常常会被它们闪烁的光芒所吸引。每颗星星都有不同的可见亮度,这受多个因素的影响,包括距离、大小和温度。例如,像天狼星这样的大型恒星看起来比较小的恒星明亮得多,因为它发出更多的光且相对靠近地球。这种可见亮度的差异帮助我们将恒星分类为不同的类别,使天文学家能够研究它们的属性并理解它们的生命周期。此外,人眼在检测可见亮度方面是有限的。我们对亮度的感知可能会受到大气条件的影响,例如污染或云层,这可能会遮挡我们对遥远恒星的视线。此外,由于各种现象,包括超新星爆炸或恒星光度的变化,物体的可见亮度可能会随时间而变化。这些波动可以提供有关恒星生命周期阶段及其最终命运的宝贵信息。对可见亮度的测量不仅仅是学术追求;它也有实际应用。例如,导航历史上一直依赖于恒星的可见亮度。水手会利用某些恒星的亮度来引导他们的船只穿越开阔的海洋。即使在今天,现代技术也利用可见亮度的原理进行卫星通信和天文摄影,其中准确的测量对于捕捉宇宙的奇观至关重要。总之,可见亮度的概念是天文学的一个基本方面,增强了我们对宇宙的理解。从我们如何感知恒星到导航和技术中的实际应用,可见亮度将我们与宇宙连接在一起,以深刻的方式。随着我们继续探索夜空,让我们记住,每一个光点都蕴藏着等待被发现的故事,而我们对可见亮度的理解是解锁这些奥秘的关键。通过这项知识,我们可以更深入地欣赏宇宙及我们在其中的位置。
相关单词