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प्रश्न
If you are the sun, write about your properties in your own words.
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
The masses of other stars are measured relative to the mass of the ______.
True or False: The Sun appears bigger and brighter than the other stars because it is indeed so.
A man weighing 60 kg in the Earth will weigh 1680 kg in the Sun. Why?
Sun is the star present in the galaxy called ______.
The Greek name for the Sun is ______.
The sun is believed to be more than ______ years ago.
The ratio of ______ of the periods of any two planets is equal to the ratio of their ______ semi-major axis from the Sun.
The Pole star is not visible from the southern hemisphere.
Assertion: Sun is a medium-sized star.
Reason: Sun is situated at the center of the solar system.
What is an orbit?
