InSight Reveals Surprising Findings About Mars' Core and Interior
Data from the InSight lander suggests that Mars has an all-liquid core and internal mass anomalies, according to a team of planetary scientists from Belgium, the U.S., France, and Germany. The researchers analyzed data sent back to Earth from the lander, which had two main sensors, one that used a seismometer to measure marsquakes and another that sent radio signals from the lander back to Earth. By studying data related to the core and characterizing it separately from data related to the mantle, the team found what they believe to be evidence showing that Mars' core is molten liquid, and they also found a slight increase in the planet's spin.