... Slide 1: The Earth's magnetosphere . ... Instead, they can be sent to explore on their own areas such as magnetic fields on Earth and in space, and in a moment I will explain how. ... Slide 2: home page of "Exploration of the Earth's Magnetosphere." ... Slide 6: Magnetic field lines . ... Another result is that some electrons, already residing on magnetic field lines of the Earth, do get accelerated downwards along those lines, hit the atmosphere and cause the light of the aurora . ...