Wednesday, December 22, 2010

112. THE EARTH'S ROTATION

Sunrises and sunsets are among its effects

* Can you imagine if the earth did not turn? In some places, it would always be night. In some places, it would always be day. In some places, it would always be dusk. To "see" a sunrise or a sunset, you'd have run very fast around the surface.
* This past weekend, I was at a retreat atop a mountain in West Virginia - a great spot to watch the sunset on Saturday afternoon. The next day, I went for a jog along the ridge and turned the other direction for a sunrise. But it was too early and I had to return to the retreat before the sun actually came over the horizon. (Even before the sunrise, though, there is an exciting glow that signals that the day is coming.)
* The days are getting longer! After yesterday's winter solstice, I am excited to think about how sunrises will be getting earlier and sunsets will be getting later for the next six months.
* The longer days are also an exciting reminder that Christmas will soon be here.

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