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Supernova : Titanic Explosion of a Great Star

Supernova

A supernova is the explosion of a star. It is the largest explosion that takes place in space. A supernova is a rare astronomical event that occurs during the last stellar evolutionary stages of a massive star’s life. The dramatic destruction is marked by one final titanic explosion. For a while, this causes the sudden appearance of a ‘new’ bright star, before it slowly fading over several weeks or months. The shines of a supernova may as bright as 10 billion of our sun. Supernova can only occurs in stars with a mass greater than our Sun. 


how a supernova can be seen
There are two types of Supenova. The first type can happen as the star runs out of fuel, cools off, causes the pressure to drop and can no longer support itself under its own gravity. It collapses and subsequently explodes, sending out matter in all directions in just like 15 seconds. At velocities up to 30,000 km/s or 10% of the speed of light, this drives an expanding and fast-moving shock wave, left a very dense…

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