What is the sun? What is the structure of the sun?

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Presentation transcript:

What is the sun? What is the structure of the sun? What features can you see on the sun? https://www.youtube.com/watch?v=HEheh1BH34Q

The sun: No solid surface Big ball of gas 1/4Helium 3/4Hydrogen 1,000,000 times the volume of Earth Largest object in our solar system Medium size star

Layers of the sun Core Radiation Zone Convection Zone Where sun produces energy Radiation Zone Electromagnetic radiation Convection Zone Outermost layer

The Sun’s Atmosphere Photosphere Chromosphere Corona “Crown” Inner layer What you can see Chromosphere Middle Layer Corona “Crown”

Solar Eruptions A sneeze from the sun Similar to a volcano on Earth Very Powerful Effects can be felt on Earth http://www.kidsastronomy.com/our_sun.htm

Solar Flares https://www.youtube.com/watch?v=GrnGi-q6iWc

Prominences Eruption of ribbon-like plasma Extend in a loop as it traces the Sun's magnetic fields. Tend to form over a timeframe of a day or several months

Prominence Prominence are huge loops of gas that connect different parts of sunspot regions. A solar flare is an explosion caused by hydrogen getting really hot, the gas shoots out into space causing a solar flare. Sort of like an after shock of an earthquake

So what is the difference? Prominence A prominence looks like a ribbon of glowing gases and disappears in a few days or months. Solar Flare A solar flare is an explosive eruption of waves and particles that lasts for minutes or hours.

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