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Enter Middle Ages, Scientists Predict Age and Remaining Life of the Sun All

KOMPAS.com – The sun as the center of the Earth’s solar system, will likely pass through middle age.

That’s according to data published in June 2022 from the Gaia spacecraft.

According to spacecraft estimates, the age of the Sun is 4.57 billion years.

The European Space Agency’s Observatory is credited with providing the most accurate map of the universe that is said to be able to determine when the Sun will die.

Launched in 2013, the Gaia space observatory is expected to be operational until 2025.

The European Space Agency has designed Gaia for astrometry — measuring with unprecedented precision the position, distance and motion of stars.

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Analyzing the Gaia data, the scientists concluded that the Sun will reach its maximum temperature when it reaches about 8 billion years.

At that time, the Sun will cool, enlarge, and become a red giant star.

In 1,011 billion years, the Sun will reach the end of its life cycle.

Orlagh Creevey of the Observatoire de la Cte d’Azur France said it was important to continue researching and knowing about the Sun.

“If we don’t understand our own Sun and there’s so much we don’t know about it, how can we hope to understand all the other stars that make up our beautiful galaxy,” he said.

The European Space Agency added that the Sun will eventually become a faint white dwarf and reach the end of its life.

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Latest data on Gaia and the evolution of the Sun

Earth's tilt axis as it revolves around the sunphys.libretexts.org Earth’s tilt axis as it revolves around the sun

The latest data contains information about the many stars, their compositions, and temperatures.

Scientists have used this data to determine how the Sun will evolve in the future.

The data show that the Sun combines hydrogen into helium and is generally stable.

This information follows news about the Sun exploding with solar flares, solar storms, and coronal mass ejections.

The sun, a giant star, will eventually die — the process will begin when its core runs out of hydrogen.

At this time, the fusion process will begin which will turn into a red giant star and lower the surface temperature of the Sun.

However, the process depends on the mass of the star and its chemical composition.

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Orlagh Creevey combed through the data for the most accurate stellar observations and focused on stars with surface temperatures between 3,000K and 10,000K because these are the longest-lived stars and can reveal the history of the Milky Way.

“We wanted to have a completely pure stellar sample with high-precision measurements,” said Creevey.

The same is filtered to show only stars that have the same chemical composition and mass as the Sun.


KOMPAS.com/Akbar Bhayu Tamtomo
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