Question

For how many years has energy been radiated by the sun and for how many years will the sun continue to radiate energy?

Answer 1

1. The energy obtained from the sun is called solar energy.
2. Sun has been providing us light and heat energy free of cost for nearly 4.6 billion years.
3. Sun will continue radiating at this rate for about 5 billion years more.
4. Only a small portion of solar energy penetrates the Earth's atmosphere's outer layer.