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11 maj 2023 · The sun's corona can reach temperatures of around 1.8 million degrees F to 3.6 million degrees F (1 to 2 million degrees C), that's up to 500 times hotter than the photosphere....
- Curious Kids
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- Curious Kids
13 gru 2023 · From the fiery depths of its core to the outermost reaches of its corona, here are the temperatures, from millions of degrees in Kelvin to the more comprehensible Celsius and Fahrenheit scales. The hottest part of the Sun is the core: 15 million K; ~15 million ° C; 27 million ° F.
The Sun is the star at the center of the Solar System. It is a massive, nearly perfect sphere of hot plasma, heated to incandescence by nuclear fusion reactions in its core, radiating the energy from its surface mainly as visible light and infrared radiation with 10% at ultraviolet energies.
7 paź 2019 · At the base, next to the Sun’s core, the temperature is around seven million degrees Celsius. This lies between the deeper, radiative zone and the photosphere. While the top layer is the same temperature as the photosphere (between 4500–6000 °C), the base of the convective zone reaches two million degrees Celsius.
The temperature in the Sun's core is about 27 million degrees Fahrenheit (15 million degrees Celsius) – hot enough to sustain nuclear fusion. This creates outward pressure that supports the star's gigantic mass, keeping it from collapsing.
Form of Thermal Conduction: In 1-dimension (along a loop), this is: (From K. Lang: The Sun from Space, 2000) At around T ~105 K: Strong radiation in this temperature range means a steep temperature gradient is needed for energy balance. This leads to a “thin” transition region.
How do we know the temperature at the centre of the Sun? - BBC Science Focus Magazine.
