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Star Constellations  

A star constellation can be defined as a group of visible stars that form a pattern when viewed from Earth. This pattern can be in any shape. These patterns give rise to the names of the constellations. There are 88 different constellations from which 48 are ancient ones and 40 are new. Since their inception, they have changed immensely. These star constellations divide up the night sky as seen from the Earth.  There are 12 constellations that are correlated to the 12 astrological signs which are Aquarius, Pisces, Aries, Taurus, Gemini, Cancer, Leo, Virgo, Libra, Scorpio, Sagittarius, and Capricorn.

Fast Facts: –

  • The outlines of constellations can change over time as stars travel through their own orbits in space.
  • The Babylonians were the first to recognize patterns in the sky and use them in predictions.
  • Later, this system was adopted by the Greeks in the 4th century BC.
  • Hydra Constellation is the largest by area. It takes up 3.16% of the sky.
  • Crux Constellation is the smallest and takes up only 0.17% of the sky.
  • The ancient 48 constellations were recorded in 150 AD by Ptolemy, a Greek astronomer.
  • Constellations also keep travelling. They travel from the east to the west.
  • Star constellations that are located in the same area of the sky are grouped into families.
  • Some constellation are only visible in Northern Hemisphere and some of thema re only visible in Southern Hemisphere.
  • There are a few constellations that are visible in both the hemispheres.
  • They are useful as they can help people to recognize stars in the sky.
  • The Sun is the only known star in our galaxy which is not the part of a constellation.

 

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Declan, Tobin. " Facts for Kids about Star Constellations ." Easy Science for Kids, Dec 2017. Web. 14 Dec 2017. < http://easyscienceforkids.com/star-constellation/ >.

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Tobin, Declan. (2017). Facts for Kids about Star Constellations. Easy Science for Kids. Retrieved from http://easyscienceforkids.com/star-constellation/

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