Juno’s mission is to check Jupiter’s composition, magnetic subject and magnetosphere, to measure water current inside its environment and its winds.

Source: https://www.mccourier.com/nasas-juno-finally-sends-back-images-of-jupiter-and-its-moon-after-radiation-spike/

The Kuiper Belt is one of the largest structures in our solar system - others being the Oort Cloud, the heliosphere and the magnetosphere of Jupiter.

Source: https://www.dailymail.co.uk/sciencetech/article-11649801/Does-Planet-X-really-exist.html?ns_mchannel=rss&ns_campaign=1490&ito=1490

They are the result of disturbances in the magnetosphere caused by the solar wind.

Source: https://www.coventrytelegraph.net/news/uk-world-news/gallery/beautiful-pictures-northern-lights-uk-27710957

While with Rand, he worked on classified defense studies and problems related to the Earth’s magnetosphere.

Source: https://www.aerotechnews.com/blog/2023/01/04/apollo-astronaut-walter-cunningham-dies-at-90/