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प्रश्न
If you are the sun, write about your properties in your own words.
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उत्तर
Following are the various properties of me as a Sun:
- I am approximately 4.5 billion years old.
- I have my own heat and light.
- I am made up of hot gases. Hydrogen contributes to 72% of my mass while helium about 26%. The rest 2% is associated with elements heavier than helium.
- My mass and radius are about 2 × 1030 and 695,700 km, respectively.
- My surface temperature is about 5800 K and the temperature at the centre is 1.5 × 107 K.
संबंधित प्रश्न
Write a short note on the following: The sun
A man weighing 60 kg in the Earth will weigh 1680 kg in the Sun. Why?
The process that takes place in the Sun is ______.
The energy of the sun is radiated in the form of ______ Rays.
Sun is the star present in the galaxy called ______.
The planets are revolving around the sun because of the gravitational force of attraction between them.
The rotation of the sun near the poles takes around 25.4 days.
Assertion: Sun is a medium-sized star.
Reason: Sun is situated at the center of the solar system.
Assertion: At the pole, the value of acceleration due to gravity (g) is greater than the equator.
Reason: Earth rotates on its axis in addition to revolving around the sun.
Why are we able to see the Moon even though it is not a luminous body?
