Did you know that the northern and southern hemispheres have very different constellations in their night skies? Shutterstock.

Constellations in the Sky

Today, there are about 88 constellations in the sky that are recognized officially by the International Astronomical Union. With these constellations spanning the entire sky, the stars appear near to one another but originally are located millions of light-years away from each other. Some stars are a part of a single constellation, while some are shared between two constellations. 

Here is a list of 18 Constellations that everyone must know! You may know some of them, as some are common as Zodiac signs. Others you may have heard of, such as Pegasus or Orion, while others may be completely new.  

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