1. The Sun Diameter is 110 times Earth’s Mass is 745 times Earth’s
Its volume could hold 1 million Earths
At the speed of sound, it would take 10 years to get there (1,238 km/hr).
It takes light 8.5 minutes to get here
5,500 to 15,000,000 degrees Celcius

3. The Photosphere
The innermost layer of the atmosphere

4. Granulation Photosphere is made of millions of cells called granules
Each one is about 1,500 km across, with a bright middle and dark edges.
Hot gas rises in the middle, and then gets pushed to the side where it cools.

7. The Chromosphere
The glowing red hydrogen gas that surrounds the photosphere.

8. The Corona
Is made of positive hydrogen atoms and surrounds the chromosphere
Surrounds the sun at around 1 million km
Only visible during eclipses

9. SOLAR EVENTS

10. Sunspots Occur in pairs of opposite charge
They are visible due to increased electric/magnetic.
Occur in cycles

12. Solar Prominences
Clouds of gas from the chromosphere that extend beyond the sun.

13. Solar Wind
The constant stream of electrically charged hydrogen atoms the corona is releasing in all directions
When these interact with Earth’s magnetic field, auroras appear.

15. Solar Flares and Coronal Holes
Solar Flares: outbursts of light in areas of sunspot activity.
Caused by the release of built up magnetic energy
Release huge amounts of solar wind and cause coronal holes
Coronal Holes: tears in the corona that release huge amounts of solar wind

17. Magnetic Storms
These occur when the earth gets an excess of solar wind
Due to coronal holes and solar flares
They cause more auroras, inaccurate compass readings, disrupted telephone and radio signals.

19. Directions – Sun Quiz Take out a sheet of paper
You May NOT use your notes!
You Do NOT have to write the question.
Answer in complete sentences.

20. Sun Quiz – Answer In Complete Sentences
Draw and label the structure of the sun.
What are sunspots?
What solar events do sunspots cause? Which of these events can cause the release of solar wind?
Explain why granules appear bright in the middle but dark on the edges.
Explain how magnetic storms can affect the earth.