The sun experiences roughly half of its life and does not close it for the next 4.5 million years, says Vladimir Kuznetsov, Director of the Earth's Magnetism, Ionosphere and Radio Wave Institute of the Russian Academy of Sciences.
According to Kuznetsov, the life expectancy of the Sun is around 10 million years. The main star has lived 4.500 million years, so he has left his life in the middle.
"The sun is in the main sequence of the evolution of the stars (…) The time in which the star continues continues its more permanent evolution, because it takes 90% of its lives," said Kuznetsov. Interview with Sputnik.
The scientist has stressed that the thermonuclear reaction (the main source of solar energy) is constantly occurring in the star's surface.
Kuznetsov believes that solar energy burns all of the Sun's hydrogen and destroys sun and other heavy chemical elements. According to the expert, this process will take about 5,000 million years and will open the Sun in Venus's orbit.
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As a result, the star will absorb the planet's closest, burning and cooling the Earth, with a white dwarf, a radius of 10 km and a colossal density. Plans like Mars, Jupiter and Saturn orbit around this starling star.