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Structure of the Sun Video Lecture | Crash course for UPSC (Hindi)
FAQs on Structure of the Sun Video Lecture - Crash course for UPSC (Hindi)
| 1. What is the structure of the Sun? |  |
The Sun is composed of several layers. The innermost layer is the core, where nuclear fusion occurs and produces the Sun's energy. Surrounding the core is the radiative zone, where energy is transported through radiation. Above the radiative zone is the convective zone, where energy is transported through convection. Finally, the outermost layer is the Sun's atmosphere, which consists of the photosphere, chromosphere, and corona.
| 2. How does nuclear fusion occur in the Sun's core? | |
Nuclear fusion in the Sun's core happens when hydrogen atoms combine to form helium. Under extreme pressure and temperature, hydrogen nuclei collide and fuse together, releasing a tremendous amount of energy in the process. This energy is the source of the Sun's heat and light.
| 3. What is the photosphere of the Sun? | |
The photosphere is the visible surface of the Sun. It is the layer where most of the Sun's light is emitted. The photosphere has a temperature of around 5,500 degrees Celsius and appears as a bright yellow disk when observed from Earth.
| 4. What is the role of the corona in the Sun's structure? | |
The corona is the outermost layer of the Sun's atmosphere, extending millions of kilometers into space. It is only visible during a total solar eclipse or with specialized equipment. The corona is much hotter than the Sun's surface, with temperatures reaching several million degrees Celsius. It plays a crucial role in the Sun's structure by influencing solar wind, which is the continuous flow of charged particles from the Sun into space.
| 5. How does convection work in the Sun's convective zone? | |
In the convective zone of the Sun, energy is transported through convection. This means that hot plasma rises to the surface, carrying energy with it, while cooler plasma sinks back down towards the core. This circulation creates a cycle of rising and sinking plasma, similar to how hot air rises and cool air sinks on Earth. This process helps distribute heat throughout the Sun's convective zone.
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Nov 15, 2024 Last updated |
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