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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
Choose the correct option to complete the statement given below:
The sun is ______.
Write a short note on the following: The sun
The speed of Sun in km/s is______.
The rotational period of the Sun near its poles is ______.
What is the composition of the sun? How was it formed?
The sun is believed to be more than ______ years ago.
The planets are revolving around the sun because of the gravitational force of attraction between them.
The Pole star is not visible from the southern hemisphere.
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.
What is an orbit?
