Why Is the International Date Line Not Straight?
The International Date Line (IDL), also called the Date Line is a north-south line through the Pacific Ocean where, according to international agreement, the date...
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Why Do We Have Time Zones?
Why Do We Have Time Zones? Time is not same everywhere. When it is noon in New York, for example, it is still 9 a.m. in San Francisco. The sun seems to move across the...
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What Is the Zodiac?
The Zodiac is a group of constellations that encircle the path traveled by the planets as we watch from the earth. The word “zodiac” is Greek for...
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