Polaris - The North Star or Pole Star

This section provides a brief introduction of the north star, or the pole, Polaris.

Polaris, more commonly known as The North Star, North Star, or Pole Star, is the closest star to the North Celestial Pole. The following picture provides you a good illustration, http://www.lpi.usra.edu:

Polaris - The North Star
Polaris - The North Star

Polaris has been used as the navigation star for centuries in Northern Hemisphere. From an observer point of view, Polaris hangs in the north direction above the horizon as an angle approximately equal to the degree of latitude of the observer. This means that:

Another way to find Polaris by following the line traced from Merak to Dubhe, also known as the Pointers, the two stars at the end of the bowl of the Big Dipper, or Ursa Major, the Great Bear. The following picture provides you a good illustration, http://www.indepthinfo.com:

Finding Polaris through Big Dipper
Finding Polaris through Big Dipper

Polaris stands almost motionless on the sky, and all the stars of the Northern sky appear to rotate around it. Below is a nice picture of the night sky above Hawaii was taken by leaving the camera shutter open for a long time, by Richard J. Wainscoat, http://www.wainscoat.com/astronomy. The picture captures the apparent movement of the stars caused by Earth's rotation on its axis. Polaris is the star in the center of the star field; it shows essentially no movement. Earth's axis points almost directly to Polaris, so this star is observed to show the least movement. The other stars appear to trace arcs of movement because of Earth's spin on its axis.

Stars Rotating around Polaris
Stars Rotating around Polaris

Polaris is part of a minor constellation called Little Dipper, Little Bear, or Ursa Minor. Polaris is the last star on the handle of Little Dipper, or the last star of the tail of Little Bear.

In Chinese culture, Polaris is called Bei Ji Xing (北极星). Big Dipper is called Bei Dou Xing (北斗星).

Table of Contents

 About This Book

 Quick Introduction to Astrology

 Basics of Astrology and Astronomy


 What Is a Star

Polaris - The North Star or Pole Star

 Sirius - The Brightest Star


 Introduction to Western Zodiac Signs

 Horoscope and Horoscopic Astrology

 Horoscope and Planets

 Chinese Astrology and Horoscope

 Chinese Zodiac Animal Signs


 Full Version in PDF/EPUB