The sun is the center of our solar system. Not only is it the center, it is the only source of all the energy in the solar system. The age of sun is 4.5 billion years. Its area is 1.41×10^18 kilometres which is about 1.3 million times larger than Earth. The mass of sun is 1.989×10^30. Which is 3.3 million times more than Earth. Gravity on the surface of the sun is 1.622m/s^2. It takes 25 days 9 hours to orbit its own axis and 225 million years in galaxies. The sun contains 73.47% hydrogen, 24.85% helium, 0.77% oxygen, 0.29% carbon, 0.18% iron, 0.12% neon, 0.09% nitrogen, 0.07% silicon, 0.05%magnecium,and 0.04% salphar. More information: The Sun is a middle-aged dwarf star. It is called the Yellow G2Dwarf. It takes 6 minutes and 18 seconds for light to reach the Earth from the Sun, 40 minutes to go to Jupiter and 7 hours to reach the Milky Way .Just as the eight planets revolve around the Sun, so the Sun revolves around the center of the Milky Way. The Sun has a sp...