Since Mars Insight began monitoring seismic events on Mars it recorded many tectonic events, and many asteroid impacts. However a new study looks at two of the largest events, one on December 21st 2021 created a large 150meter crater and was likely caused by an asteroid weighing 500 tons travelling at 7-8 kilometers per second. Images of the crater appear to show bright spots in the ejecta, possibly ice from a sub surface permafrost layer. The event also allowed the planetary scientists to observe the beha