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  Variable Star: Astronomy: Variable Star - OBSERVING VARIABLE STAR
Posted on Saturday, December 11 @ 01:26:26 CST by astronomy
 
 
  Variable Star

OBSERVING VARIABLE STAR

Not all stars shine with a steady, invariable light. Many fluctuate in brightness over periods ranging from minutes to years



Astronomers have listed some 30,000 variable stars of many different types and brightnesses. By observing these stars, amateurs can significantly contribute to the science of astronomy.

To begin observing variable stars, you need a telescope or binoculars, a list of variables noting their magnitude ranges and periods, and star charts showing their locations.

 
 
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