These are types of high energy These are visible dark spots on particle outflows occurring in
the surface of the Sun caused
the Sun's photosphere by intense magnetic activity
forming areas of reduced
surface temperature.
This is the visible surface of the
Sun which is about 100 km
thick and composed of gas; it is
the region of the sun that
produces visible light
Photosphere
Corona
Sunspots
Prominence and Solar Flare