It is being said that the planet earth’s death will eventually occur as the sun swells to 100 times its original size. A dying planet that is far away has given astronomers a glimpse into this phenomenon which is our planetary fate too.
Within 5 billion years, the planet earth will be burnt to a charcoal remnant of its original lush green and watery self.
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That is because by then the sun will have expanded to a 100 times its original size. It will engulf Mercury and Venus in the process too. Afterwards it will undergo star death as a white dwarf. This will occur 2 billion years later than this.
This study gives us a sneak peek into the distant future of our solar system. A neighboring star that is 208 light years away has already shown us how this will occur.
A dying planet orbits it too and it has served as an object lesson in what will eventually happen to us as well. Humanity in other words is doomed unless we manage to build a huge spaceship that takes us to some other galaxy than our very own Milky Way.
Astronomers used the world’s most powerful telescope to observe this other world that is 208 light years away. The star is termed L2 Puppis. Five billion years in the past this star was like our sun.
Yet all this changed with the passage of time. Now it is a red giant star. This star is in the final throes of its death. In our case, the same will have occurred five billion years from the present moment in space-time. Intense mass loss will also occur due to the stellar wind which is very potent indeed.
The final product of all this will be a small white dwarf star. This will in fact be the size of our earth. Yet a single teaspoon of it will weigh five tons. The sun will surely have destroyed any life and life forms on the earth once this change occurs.
The star L2 Puppis once resembled our sun too. Yet it underwent changes with the passage of time. And the orbiting planets got engulfed in its fire and brimstone ending.
To even consider the earth as somehow escaping the fiery infernal hell that the sun will unloose upon it is a fantasy wrapped up in a daydream. Reality must be faced even if it is very remote in time.