Richard Collins: Upheaval can bring about an explosion of new life

Our universe, it seems, came into existence in the Big Bang 13.7bn years ago.

Richard Collins: Upheaval can bring about an explosion of new life

By Richard Collins

Our universe, it seems, came into existence in the Big Bang 13.7bn years ago. Ten billion years later, according to the giant-impact hypothesis, the newly formed Earth collided with a sister planet, resulting in our moon.

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