One major force that drives life on the planet is the lunar pull of the moon that causes tides. It is said that around 4.5 billion years ago, when our earth was still a molten mass, another molten mass was thrown into space, and this coalesced into what we know today as the moon. The earth then was already cooling, and had an ocean, but no veritable life was to be found in it. During this time, the moon was about half as distant from the earth as it is now, such that the lunar tides were more extreme Continue reading...