A Sunset Bloom

Then we sat on the sand for some time and observed How the oceans that cover the world were perturbed By the tides from the orbiting moon overhead "How relaxing the sound of the waves is," you said. I began to expound upon tidal effects When you asked me to stop, looking somewhat perplexed So I did not explain why the sunset turns red And we watched the occurrence in silence instead.

 The Tides of Ancient Times Were Awesome Events

In the days when the earth was young, the coming in of the tide must have been a stupendous event. If the moon was, as we have supposed in an earlier chapter, formed in the tearing away of a part of the outer crust of the earth, it must have remained for a time very close to its parent. Its present position is the consequence of being pushed farther and farther away from the earth for some 2 billion years. When it was half its present distance from the earth, its power over the ocean tides wa...