How will the Earth die?

It is extremely difficult to predict how an individual will die but it is fairly well agreed upon how our Earth will eventually meet its demise. If everything else goes well, our home planet shall die a natural death and  be cremated. Yes, you read that right! Earth will literally undergo a galactic cremation and the furnace will be none other than our very own Sun which today is responsible for Life and almost everything on Earth. Seems ironic, isn’t it? But that’s the truth. Put simply, Earth will be engulfed whole by the Sun. So, how does the very Sun that is the source of all energy, directly or indirectly, on Earth, and vital for any kind of lifeforms to survive, become its nemesis? How does the Sun become the  Grim Reaper for Earth?

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