Extra-terrestrial impacts may have shaped Earth 3.2 billion years ago, study finds

Earth’s rocky surface is the result of ‘intense bombardment’ of extraterrestrial impacts hitting the surface billions of years ago Experts say impacts from space triggered the rise of tectonic plates on Earth   Layers of round particles condensed from the impact were discovered Particles date back about 3.2M years ago, similar to when plates appeared  By … Read more