https://www.caltech.edu/about/news/the-remains-of-an-ancient-planet-lie-deep-within-earth?ref=404media.co
The Remains of an Ancient Planet Lie Deep Within Earth - www.caltech.edu
The remnants of an ancient planet that collided with Earth to form the Moon lie deep within the earth, according to a new model from Caltech researchers and...
ancient planetdeep withinlie
https://www.dw.com/en/an-ancient-planet-smashed-into-earth-we-now-know-its-origin/a-74819362
An ancient planet smashed into Earth. We now know its origin – DW – 11/20/2025
Nov 21, 2025 - A collision between Earth and a massive Mars-sized protoplanet likely caused the formation of our moon. Now scientists from the Max Planck Institute suggest...
ancient planetsmashedearth