The Sun

Jul 05, 2012

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The Sun

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1. The Sun Internal structure of the Sun Nuclear fusion Protons, neutrons, electrons, neutrinos Fusion reactions Lifetime of the Sun Transport of energy in the sun Radiation versus convection The atmosphere of the Sun

The Sun

The Sun. 1. Vital Statistics:. A. Diameter – 865,000 miles B. Color – Yellow C. Apparent Magnitude - -26.5 D. Absolute Magnitude - +4.7 E. Period of Rotation – About 35 days at the poles and 25 days at the equator

881 views • 44 slides

“The Sun”

“The Sun”. I Life Cycle of the Sun:. A. Stars are born in nebulas. B. Nebula- A rapidly condensing cloud of gas and dust. C. Star “Pre-life Steps”. 1. Gases rapidly condense to star dust. 2. Masses form. 3. Masses collide with others to form larger pieces of “star stuff”.

622 views • 9 slides

THE SUN

Goals. Summarize the overall properties of the Sun.What are the different parts of the Sun and how do we know this?Where does the light we see come from?Solar activity and magnetic fields.. The Sun, Our Star. The Sun is an average star.From the Sun, we base our understanding of all stars in the

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The Sun

The Sun. Science vs. Mythology Sarah Bombrys. Sun Facts. The Sun is the closest star to Earth. The Sun rotates once about every 27 days. The Sun’s diameter is about 870,000 miles. A million Earths could fit inside the Sun. The Sun is 74% hydrogen, and 24% helium.

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The Sun

The Sun. The Sun’s Interior. The Sun produces energy through nuclear fusion This is caused through extreme heat and pressure The core of the Sun is about 15 million degrees Celsius. The Atmosphere. Three main layers Photosphere Inner layer of the Sun’s atmosphere Makes light.

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The Sun 

The Sun . The Solar Constant. What is the Solar flux arriving at Earth? Use relation between luminosity and flux L  = 3.9×10 26 W, 1AU = 150×10 6 km What is the source of the Sun’s energy?. The Source of the Suns Energy. Kelvin- Helmholz contraction  doesn’t work

1.01k views • 57 slides

THE SUN

THE SUN. The star we see by day. The Sun, Our Star. The Sun is an average star. From the Sun, we base our understanding of all stars in the Universe. No solid surface. Interior Properties. Core = 20 x density of iron Surface = 10,000 x less dense than air Average density = Jupiter

464 views • 28 slides

The Sun

The Sun. Austin Pectol. Introduction. The Sun is a main sequence star that is the center of our solar system and gives our planet and planets around ours light and heat. How Big Is The Sun?.

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The Sun

1. The Sun. The Sun gives Radiant Energy to the Plant to begin the Process of Photosynthesis. . 2. Cargo Plane . A Cargo Plane Transports Supplies and Equipment to a designated area. . 3. Beams and Columns.

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The Sun

The Sun. What are UV rays?. UV rays. They are invisible rays that are part of the energy that comes from the sun. 3 Types of UV rays.

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The Sun

The Sun. By: McKenzie Fessenden. What is the distance?. The sun is made of70% Hydrogen 28% Helium 2% metal. The sun’s moon’s are the planets around it. The sun has NO rotation period. The sun’s temperature is 10million degrees and at its core it is 27million degrees!

261 views • 6 slides

The Sun

Goals: -Summarize the overall properties of the Sun. -Explain how energy travels from the solar core, through the interior, and out into space. -Name the Sun's outer layers and describe what those layers tell us about the Sun's surface composition and temperature.

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The sun

The sun. Samantha Lythgoe Introductory Astronomy 1040. What is the sun?. The sun is the nearest most easily studied star in our sky. (Bennett 285). Why is the sun important?.

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The Sun

The Sun. By: Ashley Murray. Facts About the Sun. Weighs as much as 300,000 Earths Is the main source of energy for the Earth Is a yellow main sequence star Is 8 light minutes away. The core of the sun…. Is the innermost layer of the sun

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The Sun

The Sun. Classification of the sun. Class G Color Yellow Surface Temperature 5,000 – 6,000 ºC Elements hydrogen and helium Greek word for Sun is Helios. Structure of the sun. Atmosphere Corona Chromosphere Photosphere Interior Convective Zone Radiative zone Core. Corona.

416 views • 25 slides

The Sun

The energy of the sun comes from fusion of hydrogen nuclei 4H + 2e  He + 5 + 2 (+ 26 MeV). H. Bindingsenergi per nukleon. nukleoner. He. The Sun. E = mc 2 m He < 4m H + 2m e. Every second 4 million tons of mass is converted to energy. Fusion is a universal source of energy.

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The Sun

The Sun. The Illuminating Facts. http://hyperphysics.phy-astr.gsu.edu/hbase/solar/sun.html#c1. Composition. 71% hydrogen 27.1% helium less than 2% of all other elements Oxygen, Carbon, Nitrogen, Silicon, Magnesium, Neon, Iron and Sulfur

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The Sun

The Sun. Solar Structure. Core Radiative zone Convective zone Atmosphere Photosphere Chromosphere Corona Solar wind (mass loss). Conditions Inside the Sun. Solar Power. Sun ’ s glow fueled by Nuclear Fusion

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THE SUN

Nada Al-Haddad KU Leuven. THE SUN. SHINE 2011. 1. OUTLINES. Properties Core Radiative Zone Convective Zone Photosphere Chromosphere Corona. 2. Properties. Main Sequence G star M ⨀ = 2x10 30 kg R ⨀ = 7x10 8 m = 7x10 5 km

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The Sun

The Sun. Structure of the Sun & Solar Activity. Parts of the Sun. Core: enormous pressure & high temperatures cause the fusion of hydrogen into helium ( 15 million ºC). Corona: very hot , creates solar wind , only visible during a solar eclipse (1 million ºC).

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The Sun

The Sun.

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THE SUN

THE SUN. Is it good or bad?. Long exposure to the sun…. . Sunburn Skin cancer Early aging. UVB RAYS (ULTRA VIOLET BETA) *Burn producing rays from the sun. UVA RAYS (ULTRA VIOLET ALPHA) *so-called ”SAFE RAYS” by tanning salons. TWO KINDS OF UV LIGHT RAYS (ULTRAVIOLET).

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