When—and how—the Earth’s surface evolved from a hot, primordial mush into a rocky planet continually resurfaced by plate tectonics remain some of the biggest unanswered questions in earth science research. Now a new study, published in Geology, suggests this earthly transition may in fact have been triggered by extra-terrestrial impacts.
Click here for original story, Extraterrestrial impacts may have triggered ‘bursts’ of plate tectonics
Source: Phys.org