A Moment of Science

Posts tagged latitude

May 7, 2014

 

Time-lapse image showing a stationary North Star

What Makes The North Star So Special?

On a dark night, you can see thousands of stars with the naked eye. What makes the North Star stand out above the rest?

January 17, 2013

 

compass in black

What Is The Difference Between A Mile And A Nautical Mile?

A Moment of Science would like to clarify a small point of navigation: the difference between a mile on land and a nautical mile.

September 27, 2003

 

North Star

The North Star is the brightest star in the constellation known as the Little Dipper. It is called the North Star because of the special position it occupies relative to the earth’s axis. If you were to stay up all night gazing at the stars, you’d slowly see them revolve around a point in the sky known as the North Celestial Pole.

September 27, 2003

 

Sextant Pie

A sextant is a hand-held gadget that looks like the outline of a large piece of pizza. It is essential for navigation since it helps determine degrees of latitude, telling sailors how far to the north or south of the equator they are located.

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