Marsquakes and meteorite hits show Mars has a dense liquid metal core
Previous data suggested the Red Planet had a surprisingly light core
![Illustration of NASA’s InSight lander measuring seismic waves from quakes and meteorite impacts to study the liquid metal ball at the heart of the planet.](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2023/10/102623_jr_mars-core_lander_feat.jpg?fit=1030%2C580&ssl=1)
On Mars, NASA’s InSight lander (illustrated) measured seismic waves from quakes and meteorite impacts that better reveal the liquid metal ball at the heart of the planet.
JPL-Caltech/NASA