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Letter from the editor

The Lower Ionosphere of Mars: Modeling and Effect of Dust

"The study of planetary ionospheres helps us to understand the composition, losses, and electrical properties of the atmosphere. The structure of the ionosphere depends on the neutral gas composition as well. Models based on fundamental equations have been able to simulate the neutral and ion structure of the Martian atmosphere..." – By Varun Sheel

Space Law & Policy: The U.K. Approach to the Regulation of Space Activities

Uranus

"Space activity within the United Kingdom (U.K.) has undergone a significant period of change with successive governments viewing space as a significant source of economic growth. This has seen increasing attention being paid to both space policy and regulation..." – By Christopher J. Newman

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