The Sun And Its Importance To The Earth

The sun is one of the numerous stars in the sky. It is the closest star to the earth and lies at the center of the solar system. One rotation of the sun takes 27 days. It is 4.5 billion years old, which is thought to be its mid age. This means it shall keep shining for about five billion more years to come.[youtube:yz5J_MAPJ5s?version=3;[link:Self Tanner];https://www.youtube.com/watch?v=yz5J_MAPJ5s?version=3&feature=related]

Photosphere is the name given to the surface of the sun. The temperature at the core of the sun is 15.7 million K, a lot hotter than the photosphere’s 5,778 K. This energy is produced via a nuclear reaction called nuclear fusion. During this process, two hydrogen nuclei bond to make one helium nucleus. This process involves release of energy.

The distance from the Earth to the sun is 149.6 million kilometers. The diameter of the sun is 1.392 million kilometers. It has an equatorial circumference of 4.379 million kilometers. These measurements represent 109 times the corresponding measurements of the earth. The sun has a surface area of 6.0877 trillion kilometer squared, about 11,990 times that of the earth. It has a volume 1.3 million times that of earth.[I:https://healthclub90.com/storage/2011/12/HaywoodHunter1.jpg]

Energy from the sun, known as solar energy, reaches the earth via radiation. The sun can only absorb a small fraction of solar energy; hence plenty of the radiated energy is reverberated back to space. Life on earth is dependent of the absorbed energy. More of its effects include tides, weather patterns and the earth’s water cycle.

Plants make their own food through photosynthesis, a process that is dependent on solar energy. Take note that all living organisms get their food directly or indirectly from plants. In addition, the sun is the cause of energy available in fossils. Examples of such energy sources are petroleum and coal.

Providing unlimited light and heat, the sun is the main source of energy to the earth. Extra applications of solar energy include lighting, generating electricity and in enhancing growth of plants in green houses. Considering all these factors, it is true to say that there can be no life on earth without the sun.

Find complete details and information on the negative affect that the negative sun can have on your skin! The many sunless products offered by Sun Laboratories Chatsworth CA will help you to achieve a healthy tan without exposing your skin to the negative sun’s rays.

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