NASA’s Mars InSight has provided … well, insight, into the inner workings of the Red Planet. By monitoring “marsquakes” over the past two years the instrument has allowed scientists to measure the ...
The two large low-shear-velocity provinces (LLSVPs) of the lower mantle 7,8,9 are hypothesized to be caused by large accumulations of intrinsically denser, more primitive material 10,11,12,13,14, ...