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Showing posts from November, 2021

Classification Of Stars

You all must have seen the stars in the sky every night, some bigger, some a little smaller, some twinkling, some are not. Some yellow in color, some in white, and some in red. And you must have tried to count them many times too, but you never succeed because the number is too big to be counted on fingers. According to European Space Agency (ESA), there are approximately 1,000 billion billion stars (10^24) in the universe. The number will undoubtedly increase as humans become accustomed to technology and explore deep space. And the fact that our universe is continuously expanding, speaks to this point in a more convincing way. Hubble Sky Full of Stars (Image: NASA/Hubble) So have you ever wondered, how scientist deals with all these stars in this amazing universe, which are infinite in number? Is there any method to classify these stars? The answer is Yes !!  And what would be your reaction if you get to know that the enormously large number of stars are all classified into j...