Question

The origin of the sun was approximately how many years before the present age?
1. 4.6 billion years
2. 10.6 billion years
3. 1.5 billion years
4. 2.4 billion years

Answer 1

Correct Answer - Option 1 : 4.6 billion years

The correct answer is 4.6 billion years.

• The origin of the sun was approximately 4.6 billion years before the present age.

• The radius of the Sun is 109 times that of Earth.
• Its distance from Earth is 147.36 million km.
• The atmosphere of the Sun is composed of three layers namely the photosphere, the chromosphere, and the corona.
  • The surface viewed from Earth, called the photosphere, is the layer from which most of the radiation reaches the earth.
• The energy created by the Sun’s core is due to nuclear fusion. 
• It takes eight minutes for light to reach Earth from the Sun. 
• The Sun rotates from west to east.

 

• Earth is the third planet from the Sun and the only place that is inhabited by living things.
• Earth is only the fifth largest planet in the solar system.
• Earth is the biggest of the four planets closest to the Sun.
• Venus is known as the "twin sister" of earth.