Betelgeuse is the ninth brightest star in sky located 642 light years away from us. Betelgeuse has mass of 21 Nonillion kilograms and a diameter of roughly 1.23 billion kilometers. It is roughly 10 Million years old much much younger than our Sun.
According to the astronomers, Betelgeuse is nearing the end of its life and it is creating heavier elements in core. Within the next 100,000 years, Betelgeuse will explode into a supernova. This supernova will be so big that it will be seen clearly during day and night.
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Credits: NASA, ESO
