Write few lines on Sun -The Ultimate source of energy?

Answer 1

I don't intend to write your essay for you, but the sun created the fossil fuels we rely on, and it continues to drive our weather for wind power, as well as provide solar power.

At 93 million miles from Earth, our sun is a middling star that provides nearly all the energy on Earth. The only energy sources we have on Earth which do not come from the sun are the tides caused by the moon's gravity, radioactive materials and geothermal energy. The sun provides everything else. All the energy embodied in fossil fuels and biomass is actually the sun's energy stored as carbon.

Each minute of every day, enough sunlight falls on the Earth's surface to meet the world's energy demand for an entire year; and it's free. There are two types of solar energy that enter our atmosphere: light energy and thermal energy (or heat). We can use both types of solar energy to improve our energy efficiency.

Answer 2

The ultimate source of energy was probably the energy which made the big bang. Everything since, galaxies, stars, planets, comets, expansion, seems to have come from that. A tiny part of that energy created our solar system. Most of the solar system energy is stored in the Sun, our star. The energy stored in our star, largely in the form of hydrogen gas, is slowly being released as sunlight radiation by the conversion of the sun's hydrogen to helium via the process called fusion. Four hydrogen atoms fuse into one helium atom. The helium nucleus masses a smidge less than the four hydrogen nuclei (which are protons) and the difference in mass appears as energy according to the equation E = mc2. {The Hydrogens mass 1.008 each, or 4 for 4.032. The helium masses 4.003. Thus 0.029 atomic units have been converted to energy.} Of course, this is per helium nucleus, and there is a lot of gas on the sun, and there is that multiplication by c2.

All the energy we have or receive, except possibly nuclear, comes from or came from our Sun.