The largest Erupting Solar Prominence ever recorded occured on June 4, 1946. It lasted for only a few short hours, but grew to almost the size of the Sun itself.
A Solar Flare is a discharge of magnetic energy stored in the Corona from a Sunspot. It is released in the form of light, heat, and super-fat moving atomic nuclei and electrons known as Solar Cosmic Rays. Large flares are very dangerous to anyone outside the Earth's protective magnetic fields, and can disupt radio communications.
This is the Sun's symbol used for identification.
Sun Spots are dark patches on the Sun's Surface caused by magnetic activity. Typical spots are as large as 20,000 miles across.
This is a photo of the Sun's X ray radiation. The Sun's X rays can destroy the tissues of living creatures. The Earth's atmosphere protects us from most of this radiation.
The Sun shown with a huge Solar Flare.