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The Sun

The Sun. By: Kate Barney Per.2. The Core. The core of the sun is considered to extend from the center to around 20-25% of the solar radius. It’s density is about 150 times the density of water. The sun’s surface temperature is approximately 5,800,000 degrees

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The Sun

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  1. The Sun By: Kate Barney Per.2

  2. The Core • The core of the sun is considered to extend from the center to around 20-25% of the solar radius. • It’s density is about 150 times the density of water. • The sun’s surface temperature is approximately 5,800,000 degrees • Only 0.8% of the energy generated in the sun comes from the CNO cycle

  3. Sunlight • Sunlight is Earth's primary source of energy. • Sunlight at the top of earths atmosphere is composed of about 50% infrared light, 40% visible light, and 10% ultraviolet light. • The atmosphere in particular filters out over 70% of solar ultraviolet. • The solar constant is equal to approximately 1,368 watts per square meter.

  4. Distance from each planet • Mercury- 3,031 miles • Venus- 7,521 miles • Earth- 7,926 miles • Mars- 4,222 miles • Jupiter- 88,729 miles • Saturn- 74,600 miles • Uranus- 32,600 miles • Neptune- 30,200 miles • Pluto(a dwarf planet)- 1,413 miles

  5. Atmosphere • The parts of the Sun above the photosphere are referred to collectively as the solar atmosphere. • The coolest layer of the Sun is a temperature minimum region about 500 km above the photosphere, with a temperature of about 4,100 degrees. • Above the chromosphere, the temperature rises rapidly from around 20,000 in the upper chromosphere to coronal temperatures closer to 1,000,000.

  6. About The Sun • It’s mass is 1.989E30 kg. • It is almost perfectly spherical. • The sun consists of hot plasma interwoven with magnetic fields. • It formed around 4.6 billion years ago. • It is the star at the center of the solar system.

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