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EARTH will be burnt to a crisp when the sun grows to 100 times its current size, scientists have terrifyingly warned.
Experts reached this conclusion by studying a distant star known as L2 Puppis, some 208 lightyears away, and its orbiting of planets.
Researchers noted five billion years ago, the star was very similar to our own but it has since evolved into a red giant star – the final stages in its evolution before it dies.
The team from Belgium said the same fate will fall upon the sun meaning that ultimately, everything in our galactic neighbourhood will be burnt in our star’s final stages.
Professor Leen Decin, from the KU Leuven Institute of Astronomy, said: "Five billion years from now, the sun will have grown into a red giant star, more than a hundred times larger than its current size.
"It will also experience an intense mass loss through a very strong stellar wind.
"The end product of its evolution, seven billion years from now, will be a tiny white dwarf



star.
"This will be about the size of the Earth, but much heavier: one teaspoon of white dwarf material weighs about five tonnes.”
PhD student in Astrophysics Ward Homan added: "We discovered that L2 Puppis is about 10 billion years old.
"Five billion years ago, the star was an almost perfect twin of our sun as it is today, with the same mass.
"One third of this mass was lost during the evolution of the star. The same will happen with our sun in the very distant future.”
However, researchers are unclear whether Earth, as a planet, will survive due to its rocky core.
Professor Decin explained: "The fate of the Earth is still uncertain.
"We already know that our sun will be bigger and brighter, so that it will probably destroy any form of life on our planet.
"But will the Earth's rocky core survive the red giant phase and continue orbiting the white dwarf?”
The Belgian team will continue to monitor the star in a bid to understand more about Earth’s fate.

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