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प्रश्न
What makes the Sun so hot?
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उत्तर
The Sun is a large hot gaseous body. It is 1.3 million times bigger than Earth. The surface temperature of the Sun is about 6000°C. In the core of the Sun, the temperature is estimated to be about 20,000,000°C. Such extremely high temperature is produced by the conversion of hydrogen into helium by the process of fusion. This process releases tremendous amounts of energy and Sim radiates the energy in the form of electromagnetic radiation.
संबंधित प्रश्न
Distinguish between a planet and a star.
How much time does a ray of sunlight take to reach the Earth?
Which planet has the largest number of satellites?
Or
Name the largest known satellite of any planet.
Describe the position of the Earth in the Solar System.
Write a short note on the two planets nearest to the sun.
Who am I?
I turn around myself and revolve around the sun.
The Earth is the _______ planet from the sun.
Day and night are caused due to the earth’s _______
Birla Planetarium is located in __________.
Name the continents of the world.
