Diagram of the solar flare activity and CME

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CME, coronal material is ejected into space at high speeds magnetic field arising from the solar corona and being released into the solar wind.

A solar flare is a sudden  brightness observed near the Sun‘s surface.solar flares typically occur near sunspots where magnetic field emit radiation in several bands of the electromagnetic spectrum (white light, untraviolet, x-rays, gamma rays) 

A G-type main-sequence star (Spectral type: G-V), often (and imprecisely) called a yellow dwarf, or G dwarf star, is a main-sequence star (luminosity class V) of spectral type G. Such a star as the Sun is the best known (and most visible) example of a G-type main-sequence star.

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