http://www.voanews5aitmne6gs2btokcacixclgfl43cv27sirgbauyyjylwpdtqd.onion/a/study-details-differences-between-deep-interiors-of-mars-and-earth/7065541.html
That is about double the percentage of such elements in Earth's core, meaning the Martian core is considerably less dense than our planet's core — though more dense than a 2021 estimate based on a different type of data from the now-retired InSight. FILE - Image made available by NASA and assembled from 11 photos shows the InSight lander, Dec. 6, 2018.