substellar point

简明释义

星下点

英英释义

例句

1.The substellar point 亚恒星点 on Earth moves as the planet rotates.

地球上的亚恒星点 亚恒星点 随着行星的旋转而移动。

2.The temperature at the substellar point 亚恒星点 can reach extreme levels due to direct sunlight.

由于阳光直射，亚恒星点 亚恒星点 的温度可能达到极端水平。

3.Explorers aim to land as close to the substellar point 亚恒星点 as possible for optimal solar energy collection.

探险者们的目标是尽可能接近亚恒星点 亚恒星点 以优化太阳能收集。

4.During the solar eclipse, the substellar point 亚恒星点 became a focal point for astronomers.

在日食期间，亚恒星点 亚恒星点 成为天文学家的关注焦点。

5.The satellite's sensors were calibrated to monitor changes at the substellar point 亚恒星点 on the planet's surface.

卫星的传感器被校准以监测行星表面在亚恒星点 亚恒星点 的变化。

作文

The concept of the substellar point refers to the location on a celestial body where the sun is directly overhead at noon. This point is significant in understanding the dynamics of planetary atmospheres and climates. For instance, on Earth, the substellar point moves throughout the year due to the tilt of the planet's axis and its orbit around the sun. This movement affects various climatic conditions across different regions. In tropical areas, the substellar point can be found at latitudes close to the equator, where the sun's rays strike more directly, resulting in warmer temperatures. As the seasons change, the substellar point shifts north and south, influencing weather patterns and seasonal changes in vegetation. Moreover, the substellar point is not only relevant to Earth but also plays a crucial role in the study of exoplanets. When astronomers discover new planets outside our solar system, understanding the location of the substellar point can provide insights into their potential habitability. For instance, if a planet orbits its star in such a way that its substellar point remains in a stable position, it could create conditions suitable for life, as certain areas may receive consistent sunlight while others remain in perpetual darkness.In addition to its scientific implications, the substellar point has cultural significance as well. Many ancient civilizations used the concept of the substellar point to develop calendars and agricultural practices. By tracking the sun's position and understanding where the substellar point would be at different times of the year, they could determine the best times for planting and harvesting crops. This knowledge was vital for survival and prosperity in agrarian societies.As we advance in technology, the exploration of the substellar point extends beyond our own planet. Space missions aim to study other celestial bodies, including moons and planets in our solar system, to understand their substellar points and how they interact with their respective stars. This research can shed light on the potential for life in extreme environments, revealing how organisms might adapt to varying levels of sunlight and temperature.In conclusion, the substellar point is a fundamental concept in astronomy that encompasses a variety of scientific and cultural dimensions. Its relevance spans from understanding Earth's climate to exploring the possibilities of life on distant planets. By studying the substellar point, we gain valuable insights into the intricate relationships between celestial bodies and their stars, ultimately enhancing our understanding of the universe and our place within it.

“substellar point”这个概念指的是在一个天体上，太阳在正午时刻直接位于其正上方的位置。这个点在理解行星大气和气候的动态中具有重要意义。例如，在地球上，由于地球轴的倾斜和围绕太阳的轨道运动，“substellar point”会在一年中移动。这一运动影响着不同地区的气候条件。在热带地区，“substellar point”可以在接近赤道的纬度找到，在那里太阳的光线更直接，导致温暖的气温。随着季节的变化，“substellar point”向南北移动，影响天气模式和植物的季节性变化。此外，“substellar point”不仅与地球相关，还在外星行星的研究中发挥着关键作用。当天文学家发现新的行星时，了解“substellar point”的位置可以提供关于其潜在宜居性的见解。例如，如果一颗行星以某种方式围绕其恒星轨道运行，使得其“substellar point”保持在稳定的位置，它可能会创造适合生命的条件，因为某些区域可能会持续接受阳光，而其他区域则保持在永久的黑暗中。除了科学意义外，“substellar point”在文化上也具有重要性。许多古代文明利用“substellar point”的概念来制定日历和农业实践。通过追踪太阳的位置并理解“substellar point”在一年不同时间的位置，他们能够确定最佳的播种和收获时间。这些知识对于农业社会的生存和繁荣至关重要。随着我们技术的进步，对“substellar point”的探索超越了我们自己的星球。太空任务旨在研究太阳系中的其他天体，包括卫星和行星，以了解它们的“substellar point”以及它们如何与各自的恒星相互作用。这项研究可以揭示生命在极端环境中的潜力，揭示生物体如何适应不同程度的阳光和温度。总之，“substellar point”是天文学中的一个基本概念，涵盖了多种科学和文化维度。它的相关性从理解地球气候到探索遥远行星上的生命可能性。通过研究“substellar point”，我们获得了关于天体与其恒星之间复杂关系的宝贵见解，最终增强了我们对宇宙及其在其中位置的理解。