As Yuan explains, the huge blobs in Earth’s mantle are kind of 2,900 kilometers underneath our toes. The blobs had been first detected via seismology tools since the seismic waves traveled slower within the areas the place the blobs are positioned in comparison to spaces within the surrounding mantle. Those blobs are in reality massive, too, with each and every of them being two times the mass of our moon.
That indisputably places into point of view how huge Theia was once, and its crashing into Earth would have indubitably modified our planet’s construction dramatically. If we will be able to higher perceive the construction of Earth all through the eons, it will lend a hand us perceive extra about evolution on our planet and why our planet is the one one this is liveable in our sun machine. Total, it’s very cool to assume that there might be remnants of some other planet buried underneath the skin of our personal planet.