Over the last decade, several remote sensing data sets of planetary surfaces were obtained. In particular, Mars, our Moon, and asteroids are subject to numerous ground and space-based observations. Furthermore, surface samples from asteroids (such as Bennu and Ryugu) were recently collected and returned to Earth through sample return missions, and in-situ investigations on Mars and the Moon were performed. All these data help us to build a picture of how the solar system formed, how it evolves, and how it could support life. To answer these fundamental questions, physical processes relevant for planetary formation and evolution are modeled and compared to the available data. However, one challenge in modeling planetary processes is the limited amount of data to which models can be compared. Even where remote sensing data do exist, ground truth linking chemical and physical properties to the remotely obtained signature is often lacking to confirm remote identification.

This Research Topics seeks to consolidate state of the art comparisons between numerical simulations (models), laboratory experiments, and remote sensing data of planetary and moon surfaces to support and contextualize current and past planetary missions and ground-based observations. Additionally, this thematic collection will explore the integration of returned samples from asteroids and the Moon with remote observations and consider preparation for returned samples from Mars with the goal of advancing our understanding of the solar system and to support future missions. All contents should focus on the comprehensive utilization of models (including multi-body ones), data, and shared tool for planetary data analysis, in order to validate and extend knowledge of solar system objects.

This Research Topic will accept content on:

• Numerical simulations (including multi-body models) and challenges for their further development
• Laboratory experiments simulating and investigating physical and chemical processes relevant to planetary and moon surfaces
• Comparisons between models and remote sensing data
• Comparison between returned samples and remote sensing of planetary and moon surfaces
• Ground truth integration with models and/or remote sensing data
• Data analysis of planetary surfaces observed by space missions
• Sample return preparation, including experimental analysis of planetary analogs
• Investigations into previously returned samples
• Shared tools for planetary data analysis
• Plans for future investigation of planetary and moon surfaces, including space missions
• Any topic linked with the goal of this thematic collection.

We welcome submissions of the following types of manuscripts: Data Report, General Commentary, Hypothesis & Theory, Mini Review, Opinion, Original Research, Perspective, Review.

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Frontiers in Astronomy and Space Sciences

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