The Sun
Layers of the Sun
- Core- In the core hydrogen is consumed by nuclear reactions to form helium. These reactions are what make the light from the sun and the temperature there is about 27,000,000 degrees F.
- Radiation Zone- This is the zone where the nuclear fusion takes place and this area also produces all of the electromagnetic radiation which can be harmful.
- Convection Zone- This is the outermost layer of the solar interior. It starts from a depth of 200,000 KM and goes to the visible surface. This layer traps so radiation which causes liquids in this zone to boil.
- Photosphere- This is the deepest layer that we can see directly. The temperature in this layer is from 6700 to 11000 degrees F
- Chromosphere- This layer is between 250 and 1300 miles above the surface of the sun. The temperature is between 6700 and 14000 degrees F
- Corona- The outermost layer and the temperature is about 900,000 degrees F.
Sunspot- http://oneminuteastronomer.com/1018/sunspots/
A sunspot is a dark spot that appears on the sun and these are caused by magnetic activity caused by twisting tubes of magnetic flux deep inside the sun
Solar Prominence- http://www.nasa.gov/mission_pages/sunearth/spaceweather/index.html
This is when very hot plasma and hot gases shoot of of the sun and form an arch in the corona.
Solar Flare- https://www.nasa.gov/mission_pages/sunearth/news/flare-impacts.html#.Vynt2nErLnA
A solar flare is when the sun shoots out lots of very strong electromagnetic particles and energy. This is a very dangerous thing and many people worry that a very very large one could destroy earth.
Aurora Borealis- http://www.northernlightscentre.ca/northernlights.html
This is also know as the northern lights and is caused by collisions of gases from the sun with earth's atmosphere.