Question

magnetosphere of the Earth is a result of rotation explain it

Answer 1

....................The effects of magnetic fields. The most energetic cosmic rays are dangerous because they are ionising radiation. Fortunately, on Earth we have two very effective lines of defence: the Earth's magnetic field and its atmosphere.................

Answer 2

Computer simulation of the Earth's field in a period of normal polarity between reversals.[1] The lines represent magnetic field lines, blue when the field points towards the center and yellow when away. The rotation axis of the Earth is centered and vertical. The dense clusters of lines are within the Earth's core.