ZalmoxisRemembers t1_jbwids2 wrote
Reply to comment by stanerd in What if an interstellar object like Oumuamua crashes into Earth? by stanerd
Check out https://en.wikipedia.org/wiki/Large_low-shear-velocity_provinces and this video about them: https://youtu.be/X-EZjEJc8Bo
The theory is that these large objects we see in the mantle are remnants of Theia (the planet that crashed into Earth).
Viewing a single comment thread. View all comments