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Insights into the Sun: Composition, Energy, and Atmosphere

Discover fascinating facts about the sun, Earth's primary energy source, its composition, core density, temperature, and atmosphere. Learn about its mass, shape, formation, and importance within our solar system.

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Insights into the Sun: Composition, Energy, and Atmosphere

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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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