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

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“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”.

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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

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Changes on the Sun cause changes on the Earth

Key Concepts. What we want the students to know 50 years from now. Changes on the Sun cause changes on the Earth. Supporting knowledge… The earth’s magnetic field is affected by the Sun The Sun’s magnetic field is not constant Sun-Earth connection has an effect on humans – tech, aurora, etc

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Is there sodium on the Sun?

Is there sodium on the Sun?. Solar spectrum Sodium spectrum. Hydrogen (H). Some Elements on the Sun. Helium (He). Sodium (Na). Oxygen (O 2). Iron (Fe). Sun. How does this work?. Atoms are a nucleus surrounded by shells or “energy levels” of electrons

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Physical Activity On-The-Go!

Physical Activity On-The-Go!. F.I.T. Tech VII Webinar. CHALLENGES…. At times, when we’re on the road, at work, on vacation, or in any situation where working out is not necessarily the easiest or most convenient, we make excuses that justify not getting in some form of physical activity!.

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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

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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

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“Fun in the Sun” Activity Programme (Age 13yrs above)

Saturday 10.30 – 11.30 Water Aerobics at Palmito Pool 12.00 – 13.00 Beach Volleyball at Gazebo Beach 16.00 – 17.00 Camel Fun Ride at Gazebo Beach 16.30 – 17.30 Football Craze at Palmito Garden Sunday 10.30 – 11.30 Water Aerobics at Palmito Pool

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Sun Zi on the World Stage

Sun Zi on the World Stage.

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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. 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.

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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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Transients on the Sun

Transients on the Sun. Megan Cartwright UCLA SHINE Student Day June 22, 2008. Image of an erupting prominence from online SOHO gallery. Active Regions (AR). An active region on the sun is an area of very strong magnetic field, often observed as sunspots.

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Update on the SCHAC Activity

Update on the SCHAC Activity. Diego R. Lopez. The SCHAC individual attributes. Extensions to: The eduPerson schema v. 200312, as defined at http://www.educause.edu/eduperson/ The person schema, as defined by X.521 (2001) The organizationalPerson schema, as defined by X.521 (2001)

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Comments on Reconnection at the Sun

Comments on Reconnection at the Sun. L. A. Fisk University of Michigan. Footpoint Motions on the Solar Surface. Three-Dimensional Perspective. Questions Asked. What kind of values are expected for the spatial scales of reconnection events and the time scales for the reconnection?

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Life Depends on the Sun

Life Depends on the Sun. Sunlight is the primary source of energy in an ecosystem. Everything you do requires energy; eating, sleeping, thinking, breathing. Where do we get the energy we need to do all of these things? FOOD Where does the food we eat get its energy? THE SUN

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THE SUN

THE SUN. Our source for light, heat and (nearly all) energy on the earth. The Sun: Our Prototype Star. We know much more about it than any other star We describe all other stars in terms of it So you MUST memorize its key properties. Solar Properties.

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The Sun

The Sun. The Sun. -Our sun is a medium sized star, of middle age, at 4.6 byo and 150 million km from earth. -It’s diameter is 1.35 million km-we could fit 1,000,000 Earths inside. The Sun. The Sun. The Sun is the largest object in the solar system, in both size and mass.

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