Wednesday, August 12, 2015

What is meteor shower ?

A meteoroid is a small body moving in the solar system. This will be called a meteor if it entered in earth's atmosphere - this meteor travels towards earth at 25,000 to 160,000 miles per hour. This meteor becomes brightly visible due to the heat and light it emits at this speed. This light and heat leaves a trail which can be seen in a night sky. This is what many people call "a shooting star" 



When earth passes close to a comet or astroid belt, many such meteors can be seen in the night sky falling at the same time - this is called meteor shower.




Every year in month of August earth passes through the path of a comet called swift-tuttle. This is a best time to watch meteor shower if you are in northern hemisphere.






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