The Sun is far from fully understood and today the two biggest questions related to the Sun is the reason for the high temperature in the corona and how to explain the sunspot cycle \cite{PB}.
The Sun is far from fully understood and today the two biggest questions related to the Sun is the reason for the high temperature in the corona and how to explain the sunspot cycle \cite{PB}.
The Sun is far from fully understood and today the two biggest questions related to the Sun is the reason for the high temperature in the corona and how to explain the sunspot