Researchers believe that plate tectonics were actively moving around on Earth as early as 3.2 billion years ago, which suggests an early evolution of our planet, according to a new study. Earth is estimated to be 4.5 billion years old.
Earth is estimated to be 4.5 billion years old, but understanding when it evolved from a sizzling hot ball to a planet that could host life is a little more difficult.
Part of that puzzle has to do with plate tectonics, which are crucial to every aspect of our planet. The world's oceans and continents sit on 15 different blocks of crust that move and shift. While we largely think of them as responsible for creating mountains and earthquakes, the movement of these plates also contributed to creating environments with the right conditions to support life, chemically and physically.
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