With the development of science and technology, human activity has expanded from land, sea and sky to space and other planets. In the near future, deep space and other terrestrial planets will become the next main territory of humanity. The Sun is the nearest star in the universe. It affects the (interplanetary) space of our planets in many time scales. Thus, observing and understanding solar activity and its evolution in interplanetary space and its influence on the space environment of planets is one of the necessary capabilities for us to enter deep space and expand our territory.
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Source: Phys.org