SMRTR Science & EngineeringSep 4, 2025Futurism

NASA Finds Evidence That Mars Devoured Huge Chunks of Other Planets

SMRTR summary

NASA's InSight lander data suggests Mars has large protoplanet fragments in its mantle, remnants of ancient collisions 4.5 billion years ago. These were detected through seismic waves slowing in areas of different composition. Unlike Earth, Mars preserved these "dead embryos of failed worlds" due to minimal geological activity. This reveals Mars' mantle has changed little over billions of years, offering insight into the early solar system's formation.

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