sắc cầu
Definition
- Noun (Astronomy):
- The chromosphere: A thin layer of the Sun's atmosphere located directly above the photosphere. It is typically studied through spectroscopy and becomes faintly visible to the naked eye as a reddish-pink ring during a total solar eclipse.
Usage Examples
- Noun:
- Các nhà thiên văn học nghiên cứu sắc cầu để hiểu về từ trường của Mặt Trời. (Astronomers study the chromosphere to understand the Sun's magnetic field.)
- Trong kỳ nhật thực toàn phần, sắc cầu hiện lên như một vòng ánh sáng màu hồng đỏ. (During a total solar eclipse, the chromosphere appears as a reddish-pink ring of light.)
- Nhiệt độ của sắc cầu cao hơn so với quang cầu bên dưới nó. (The temperature of the chromosphere is higher than that of the photosphere below it.)
Advanced Usage
- The term is primarily used in specialized, scientific contexts related to solar astronomy and astrophysics.
- It is often discussed in relation to solar phenomena such as spicules (jets of plasma) and solar flares that originate in this layer.
Variants and Related Words
- Quang cầu (n): The photosphere; the visible surface layer of the Sun below the chromosphere.
- Nhật hoa (n): The corona; the outermost layer of the Sun's atmosphere, visible during a total solar eclipse, located above the chromosphere.
Synonyms
- Chromosphere: The direct and only precise English equivalent.
Related Terms (Scientific Context)
- Quang phổ học (Spectroscopy): The primary method for studying the chromosphere outside of eclipses.
- Nhật thực toàn phần (Total solar eclipse): The event during which the chromosphere is briefly visible.
- Vệt Mặt Trời (Sunspot): Features on the photosphere that are connected to magnetic activity influencing the chromosphere.