The Sun , Changing Sun

The effect of solar energetic particles and radiations in the interplanetary space and on the earth, termed as space weather, is an active area of research in global communication and space exploration. The Sun influence our entire lives and also our environment. Since ancient times, human kind has been conscious that the life on earth is sustained by Sun. the central role played by our star in influencing the course of events on this planet. the Solar interior and exterior, particularly highlighting various transient. The sun influence on the earth can seen by the interplanetary magnetic field and the solar wind. The magnetic field on the sun is the root cause of the emission structures and their variation. The plasma from the sun¿s corona, called the solar wind rushes out in to interplanetary space, which contains an imprint of the Sun¿s magnetic field. Mainly Interplanetary magnetic field responsible for changes of environment of earth. Interplanetary magnetic field has spiral from and field can mention Sun inclination 7.5 degree seen from earth and interplanetary field line. Directed the opposite for both Sun itself Sun hemisphere.