One day, approximately 4.5 billion years ago, turned out to be an extremely eventful one for our planet, as it may have suddenly acquired a moon while simultaneously withstanding a colossal upheaval. The Moon may have formed in just a few hours following a massive collision between Earth and a Mars-sized protoplanet at the very […] Post The Day That Changed Everything: Scientists Have Uncovered a Stunning Mystery Behind the Origin of Our Moon at Root-Nation.com.