heliacal setting

简明释义

偕日落

英英释义

例句

1.The heliacal setting 星体的落下 of the Pleiades was significant for farmers in ancient cultures.

在古代文化中，昴星团的heliacal setting 星体的落下 对农民来说是重要的。

2.In some traditions, the heliacal setting 星体的落下 of certain stars marks the start of the harvest season.

在某些传统中，特定星星的heliacal setting 星体的落下 标志着收获季节的开始。

3.Astronomers track the heliacal setting 星体的落下 of various stars to predict seasonal changes.

天文学家跟踪各种星星的heliacal setting 星体的落下 以预测季节变化。

4.The ancient Egyptians celebrated the annual flooding of the Nile, which coincided with the heliacal setting 星体的落下 of Sirius.

古埃及人庆祝尼罗河的年度洪水，这与天狼星的heliacal setting 星体的落下 同时发生。

5.The heliacal setting 星体的落下 of Venus is often associated with love and fertility in mythology.

金星的heliacal setting 星体的落下 在神话中常与爱情和生育相关联。

作文

The concept of heliacal setting refers to the phenomenon where a star or celestial body sets just after the sun has set, becoming visible in the evening sky. This event has been significant in various cultures throughout history, often marking important agricultural and religious events. For instance, the ancient Egyptians closely observed the heliacal setting of Sirius, which they associated with the annual flooding of the Nile River. This flooding was crucial for their agriculture, as it deposited nutrient-rich silt on the land, allowing crops to thrive. The appearance of Sirius in the evening sky was celebrated as it heralded the start of the agricultural season. In modern astronomy, understanding the heliacal setting of stars can provide insight into their positions and movements. Astronomers use this knowledge to track the cycles of celestial bodies, which can have implications for navigation and timekeeping. For example, sailors in ancient times relied on the heliacal setting of specific stars to guide their voyages across the seas, using the stars as a reliable point of reference. Moreover, the heliacal setting is not limited to just one star; many stars have their own unique settings that can be observed throughout the year. Each star's cycle can vary depending on its position in relation to the Earth and the sun. This variability adds a layer of complexity to the study of astronomy, as different cultures may have developed their own calendars based on these observations. In addition to practical applications, the heliacal setting also holds a place in mythology and storytelling. Many cultures created myths around the stars and their movements, often attributing human-like qualities to them. The Greeks, for example, had elaborate stories about constellations that were tied to the heliacal setting of certain stars. These narratives not only served as entertainment but also helped people make sense of the natural world around them. In conclusion, the heliacal setting of stars is a fascinating topic that intersects science, culture, and history. It illustrates how humanity has long sought to understand the cosmos and its influence on our lives. From agriculture to navigation and mythology, the significance of the heliacal setting extends far beyond mere observation; it reflects our deep connection to the universe. As we continue to explore the skies, the lessons learned from the past regarding the heliacal setting will undoubtedly inform our future endeavors in astronomy and beyond.

“heliacal setting”这个概念指的是一个星星或天体在太阳落山后刚刚落下的现象，此时它在夜空中变得可见。这个事件在历史上各种文化中都具有重要意义，常常标志着重要的农业和宗教事件。例如，古埃及人密切观察heliacal setting的天狼星，他们将其与尼罗河的年度洪水联系在一起。这场洪水对他们的农业至关重要，因为它在土地上沉积了富含养分的淤泥，使作物能够繁荣生长。天狼星在夜空中的出现被庆祝，因为它预示着农业季节的开始。在现代天文学中，理解heliacal setting可以提供关于恒星位置和运动的洞察。天文学家利用这一知识来追踪天体的周期，这可能对导航和计时产生影响。例如，古代水手依靠特定恒星的heliacal setting来指导他们的航行，将星星作为可靠的参考点。此外，heliacal setting不仅仅局限于一颗星星；许多星星都有自己独特的落下时间，可以在一年中的不同时间观察到。每颗星星的周期可能会根据其相对于地球和太阳的位置而有所不同。这种变化为天文学研究增添了一层复杂性，因为不同文化可能基于这些观察发展出自己的日历。除了实际应用，heliacal setting在神话和故事讲述中也占有一席之地。许多文化围绕星星及其运动创造了神话，通常将人类特质归于它们。例如，希腊人有关于星座的复杂故事，这些故事与某些星星的heliacal setting密切相关。这些叙事不仅作为娱乐，还帮助人们理解周围的自然世界。总之，星星的heliacal setting是一个迷人的主题，它交织着科学、文化和历史。它说明人类长期以来寻求理解宇宙及其对我们生活的影响。从农业到导航和神话，heliacal setting的重要性远不止观察；它反映了我们与宇宙的深刻联系。随着我们继续探索天空，从过去关于heliacal setting中学到的经验教训无疑将为我们未来在天文学及其他领域的努力提供启示。