Everyone knows that animals and plants is very important light of the sun (in particular, this applies to humans). Some people wake up and awake only when the sun is shining (this applies to most mammals, amphibians and even the majority of fish). Duration of solar day has a significant impact on the life of organisms on Earth. Astronomy is scrupulously studying the effect of sun on our planet and the space as a whole. Special oso is studying the effect of sun on our planet. Thanks to these stations, many phenomena on the Sun studied. Winter and autumn, when the sun in the northern hemisphere is low on the horizon, and daylight hours is small and little inflow of solar heat, nature withers and falls asleep - the trees shed their leaves, many animals fall over a long period of hibernation (bears, badgers) or strongly reduce their activity. Near the poles, even during the summer comes a little warmth of the sun, because of this vegetation is sparse out there - the reason for dismal tundra landscape, and few animals can live in such conditions. In the spring, all nature awakens, the herb blossoms, the trees produce leaves, flowers appear, revives the animal world. And all this with just a single star called Sun. Its climatic influence on the Earth is indisputable. It is thanks to the uneven flow of solar energy in differentregions of of the Earth and in different seasons on Earth were formed climate zones. In green leaves of plants contain the green pigment chlorophyll - the pigment that is a major catalyst in the world. With it, there is a reaction of carbon dioxide and water - photosynthesis, and one of the products of this reaction is oxygen - an element that is essential to life almost all life on Earth and global impact on the evolution of our planet - in particular, has radically changed the composition of minerals. The reaction of water and carbon dioxide takes place with absorption of energy, so in the dark, photosynthesis does not occur. Photosynthesis, converting solar energy and producing oxygen at the same time, gave rise to all life on Earth. If this reaction produces glucose, which is an essential raw material for the synthesis of cellulose, from which all plants. Land plants absorb and assimilate only about 0.3% of the energy of solar radiation incident on the earth's surface. Solar Power goes to all living organisms in the world, including humans. Many natural phenomena associated with the solar wind, including magnetic storms, auroras, and various forms of comet tails are always directed from the Sun.