Anyone know how much longer can survive the sun shining on our planet?
How Long Age Sun?
Our own sun has undergone about half of his life and will fade.
Age of each star varies, depending on how large the size of the star. A Sun-like stars have a lifespan of about 10 billion years. The star that weighs 20 times more than the Sun, only lived about 10 million years.
As quoted from Life's Little Mysteries, February 10, 2011, the stars began life as a dense cloud of gas and dust. Once the star is formed, it burns hydrogen into helium.
After the hydrogen starts burning out, the next burning stage got under the burning helium into heavier elements.
If the star has a size that is not too large, or only several times the size of the Sun, the star will eventually become a white dwarf star, or so-called white dwarfs.
If the star has a much larger size, first of all he would burst into, and then burst back out in a supernova explosion. Then, what about our sun?
104 859 the evolution of the sun How Long After the Sun Can Survive
Using computer modeling technique called Stellar Evolution and Nucleocosmochronology, the Sun is also a star like other stars, is 4.57 billion years old. Currently, he is already running about half his life in which the current, nuclear fusion reactions in the core of the Sun converts hydrogen into helium.
Because the Sun does not have enough mass to explode as a supernova, within 5 billion years into the future, when hydrogen is exhausted her, she will become a red giant star and then will shrink.
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How Long After the Sun Can Survive
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