The sun
sun star the center of the solar system Most of the substance of the sun is more than 99.87% mass planets together at least more than 0.13% The sun is a star small when compared with the other stars in the sky, but the stars near earth. Therefore appears in a circle. The sky of the world only one heart. Other stars appear as a bright spot because it is very far.With a diameter of nearly 109 times that of the earth
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sun spot is useful in measuring the rate of rotation of the sun, which was found to have a period 27.3 day (the rate of rotation. The equatorial region of the long sun 24.6 days per cycle. 30 degrees latitude 25.8 days at a latitude of 60 degrees 30.9 days and terminal 34.0 days), the 2433 Mondor (E.W.Maunder) British astronomers check the old data. . about sun spot, and found that during the year2188-2258 is the sun rarely points. There is no years, which has many points and the points less. A later convinced that such moments, the sun is called corona, the atmosphere of little or no
.Many interesting things that may be related to the sun, is a variation of climate in England in the year2223 namely. The water in the river Thames freezes regularly. And I don't see the northern lights up Halley. Recorded that he saw for the first time, when the northern lights2259 after been looking forward to a time 40 years. Might have been the sun no point during the year1943 to 2053 but the evidence recording is not complete. However, the annual rings of a tree. Which is between about 268 years B. to BC.2457, the growth of trees affected by the sun spot. And the sun is a few points as the found of Mondor. So it is called the long story 100 years.