Tag Archives: Galactic Center

How much sun in the end? Read the picture will know

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How much sun in the end? Read the picture will know

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The sun is the center of the solar system objects, is the solar system’s only one star, but also the latest one star from Earth. The sun is located in the Milky Way near the symmetry plane from the center of the Milky Way about 33,000 light-years away, in the galactic plane in order to NATO’s 26 light-years away, which on the one hand around the Galactic Center 250 kilometers per second speed of rotation, on the other hand relative to the around the star speed of 19.7 kilometers per second toward the direction of movement around Vega.

The sun’s diameter is 139.2 million km, is the earth 109 times; the sun’s volume of 141 quadrillion cubic kilometers of Earth’s 1.3 million times; Yiyi Yi Sun’s mass is about 2000 tons, is 33 million times Earth’s. It focused on the quality of 99.865% of the solar system, is an absolute sovereign “king.” However, in the universe, it is just an ordinary middle-star quality.

The sun is a red-hot gas planet, there is no solid star or core. The sun from the center to the edge can be divided into the nuclear reaction zone, radiation zone, convection zone and atmosphere. 99% of its energy from the center of the nuclear reaction zone of the thermonuclear reaction generated. Center of the sun high density and temperature. The main components of the solar atmosphere of hydrogen (mass about 71%) and helium (mass about 27%). The sun’s atmosphere from the inside to the outside can be divided into light balls, chromospheric and coronal three-tier.

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