emitted light

简明释义

发射光

英英释义

例句

1.During the experiment, the chemical reaction emitted light 释放出光, indicating a successful process.

在实验过程中，化学反应释放出光，表明过程成功。

2.The fireflies emitted light 发出光亮 as they danced around the garden at dusk.

黄昏时分，萤火虫在花园里飞舞，发出光亮。

3.In a dark room, the only source of illumination was the emitted light 发出的光 from the glowing clock.

在一个黑暗的房间里，唯一的光源是发出光的发光时钟。

4.The LED bulb emitted light 发出了光 efficiently, saving energy.

LED灯泡发出了光，有效节省能源。

5.The stars in the night sky are celestial bodies that have emitted light 发光 for millions of years.

夜空中的星星是已经发光了数百万年的天体。

作文

In the vast universe, stars are one of the most fascinating phenomena that capture our imagination. These celestial bodies are not just distant points of light in the night sky; they are massive spheres of gas undergoing nuclear fusion. This process generates immense energy, which is then released into space as various forms of radiation, including visible light. The light that we see from these stars is what we refer to as emitted light (发出的光). Understanding this concept is fundamental to the study of astronomy and physics.When a star is formed, it begins its life cycle by accumulating gas and dust from its surroundings. As this material collapses under gravity, the core temperature rises significantly. Once the conditions are right, nuclear fusion ignites, converting hydrogen into helium and releasing energy in the form of emitted light (发出的光). This light travels across the cosmos, sometimes for millions of years, before reaching our eyes on Earth.The brightness of a star, or its luminosity, is determined by how much emitted light (发出的光) it produces and how far away it is from us. Some stars are incredibly bright and can outshine entire galaxies, while others are faint and can only be seen with the aid of powerful telescopes. The colors of the emitted light (发出的光) also provide astronomers with valuable information about a star's temperature and composition. For instance, blue stars are hotter than red stars, and this color difference is directly related to the spectrum of emitted light (发出的光) they produce.Moreover, the study of emitted light (发出的光) is not limited to stars alone. Other celestial objects, such as planets, galaxies, and even black holes, also emit light in various forms. For example, planets reflect the light from their parent stars, while galaxies emit light from countless stars within them. Even black holes, although they do not emit light themselves, can be observed indirectly through the light emitted by matter falling into them.In addition to astronomical applications, the concept of emitted light (发出的光) has practical implications in our daily lives. For instance, artificial lights, such as incandescent bulbs and LEDs, operate on principles similar to those of stars. When electricity passes through a filament or semiconductor, it causes emitted light (发出的光) to be produced, allowing us to illuminate our homes and streets.Furthermore, understanding how different materials emit light has led to advancements in technology. Scientists have developed lasers, which produce highly focused beams of emitted light (发出的光) for various applications, including medical procedures, communication, and manufacturing. The ability to manipulate emitted light (发出的光) has transformed industries and improved our quality of life.In conclusion, the concept of emitted light (发出的光) is essential for understanding both the universe and the technologies we use daily. From the brilliant twinkling of stars in the night sky to the warm glow of a light bulb, the light we observe is a product of complex physical processes. By studying emitted light (发出的光), we gain insights into the nature of stars, the structure of galaxies, and the fundamentals of light itself. As we continue to explore the cosmos and innovate in technology, the significance of emitted light (发出的光) will undoubtedly remain a key focus of scientific inquiry and discovery.

在广阔的宇宙中，星星是最迷人的现象之一，吸引着我们的想象。这些天体不仅仅是夜空中遥远的光点；它们是经历核聚变的巨大气体球。这个过程产生了巨大的能量，然后以各种形式的辐射释放到太空中，包括可见光。我们从这些星星看到的光就是我们所称的发出的光。理解这个概念是天文学和物理学研究的基础。当一颗星星形成时，它通过从周围环境中积累气体和尘埃开始其生命周期。当这些物质在重力作用下坍缩时，核心温度显著上升。一旦条件合适，核聚变便会点燃，将氢转化为氦，并以发出的光的形式释放能量。这种光穿越宇宙，有时需要数百万年的时间才能到达我们在地球上的眼睛。一颗星星的亮度或其光度由它产生多少发出的光以及它离我们有多远来决定。有些星星非常明亮，可以超越整个星系，而其他星星则微弱，只能通过强大的望远镜观察到。发出的光的颜色也为天文学家提供了关于星星温度和成分的重要信息。例如，蓝色星星比红色星星更热，这种颜色差异与它们产生的发出的光的光谱直接相关。此外，发出的光的研究不仅限于星星。其他天体，如行星、星系甚至黑洞，也以各种形式发出光。例如，行星反射来自其母星的光，而星系则从其中无数的恒星发出光。即使是黑洞，尽管它们本身不发出光，但通过落入它们的物质发出的光可以间接观察到。除了天文应用，发出的光的概念在我们的日常生活中也有实际意义。例如，人工光源，如白炽灯泡和LED灯，运作原理与星星类似。当电流通过灯丝或半导体时，会产生发出的光，使我们能够照亮我们的家和街道。此外，理解不同材料如何发出光促进了技术的进步。科学家们开发了激光，这种激光产生高度集中束的发出的光，用于医疗程序、通信和制造等各种应用。操控发出的光的能力改变了行业，提高了我们的生活质量。总之，发出的光的概念对于理解宇宙和我们日常使用的技术至关重要。从夜空中星星的璀璨闪烁到灯泡的温暖光辉，我们观察到的光是复杂物理过程的产物。通过研究发出的光，我们获得了对星星本质、星系结构和光本身基本特性的洞察。随着我们继续探索宇宙并在技术上进行创新，发出的光的重要性无疑将继续成为科学探究和发现的关键焦点。