Core Insights - The research provides direct evidence for the existence of a solid inner core on Mars, enhancing the understanding of the planet's evolution and characteristics [1][2] Group 1: Research Findings - The study, led by Chinese scientists in collaboration with U.S. universities, utilized data from NASA's InSight mission to identify evidence of a solid inner core on Mars, estimating its radius to be around 600 kilometers [1] - The research team successfully identified two significant seismic phases: PKKP, which travels through the core, and PKiKP, which indicates the presence of a solid inner core, previously confirmed in studies of Earth and the Moon [1] - The arrival time of the PKKP seismic waves at the seismometer was 50-200 seconds earlier than predicted by models considering only a liquid core, suggesting a high-velocity solid inner core structure [1] Group 2: Future Research Directions - The research team plans to further investigate the mineral composition of Mars' core to deepen the understanding of its evolutionary history [2] - Future studies will also involve dynamic simulations to reconstruct the evolution of Mars' core, providing insights into the origin and evolution of the Martian magnetic field [2] - The methodologies developed in this research may be applied to lunar exploration data to better reveal the deep structural characteristics of the Moon [2]