Question

How hot is the sun?

Answer 1

Hint: The central part/body of our solar system is the sun. All the planets revolve around the sun in an elliptical order. Every layer/part of the sun has a different level of temperature values. At the surface of the sun, the photosphere is present inside and the chromosphere is present outside.

Complete answer:
The sun does not have a solid surface. The layer that we can see is called the photosphere. This layer emits the most light in the visible part of the electromagnetic spectrum. The outermost layer of the Sun is hotter than the layers immediately below it, basically, the Sun’s outermost layer, the corona, is over 300 times hotter than the surface layer below it.
Photosphere (surface) has a temperature of nearly 6000 K, Chromosphere (atmosphere) has a temperature of nearly 10,000 K, Prominence has a temperature of nearly 10,000 K, Corona has a temperature of nearly 1,000,000 K, Core has a temperature of nearly 16,000,000 K and Flare has a temperature of nearly 20,000,000 K.
\[\therefore \]The numerical representation of the hotness of the sun at the surface is 5778 K.

Additional information:
From the earth surface, the corona layer of the sun will be approximately 18 million miles away, the transition zone will be approximately 60 miles broader, the chromospheres will be approximately 1050 miles broader, the photosphere will be approximately 250 miles broader, the convection zone will be 113,000 miles broader, the radiation zone will be approximately 233,000 miles broader and the solar core will be 86,000 miles away.

Note:
Within the Sun, we can classify the layer/part as the coolest and the hottest among others. If so, then, the photosphere will be the coolest and the core/corona will be the hottest layer of the Sun.