10 interesting facts about solar energy!
1. Solar energy is the reason we are alive today; it is the main source of energy for all life forms, read on for more interesting facts about solar energy.
2. Solar power is one of very few sources of energy that are completely free.
3. On Earth we are especially lucky; the sun is in the top 5% of stars in the Milky Way in terms of brightness and size.
4. Although the sun is over 90 million miles from the Earth, it takes less than 10 minutes for light to speed across that distance.
5. Only 0.01% of the energy produced by nuclear fusion in the sun PER SECOND would be needed to satisfy the entire population of the earth's energy requirements.