A day is considered one rotation of the earth - which takes 24 hours.
In one second, light can travel around Earth almost four times. Nothing travels faster, establishing light as the ultimate speed limit.
In 31,536,000 seconds—one year—light will travel a distance of 5.86 trillion miles.
Our national debt is more than three times the number of miles as light travels in one year!
Light!
Think about that!
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