The Sun will always exist weather it is producing light or not. When it goes nova it will leave behind a white dwarf that will dim and leave behind a core of Solid Carbon. Eventually our sun will become a massive Diamond floating in space with planets swirling aorund it.
Perhaps 7 to 8 billion years.
The sun has about 5 billion years worth of hydrogen left before it exhausts its supply and evolves into a red giant star.
The sun is middle aged, it has burned for about 6 billion years and will burn for about 6 billion more years.
It is estimated that the sun has about 5 billion years left before it exhausts its nuclear fuel and expands into a red giant, eventually engulfing the inner planets, including Earth. It will then transition into a white dwarf and gradually cool down over trillions of years.
Sirius is located about 8.6 light years away from the Sun.
Perhaps 7 to 8 billion years.
The sun has about 5 billion years worth of hydrogen left before it exhausts its supply and evolves into a red giant star.
Around 5 billion years from now, the sun will expand into a red giant and destroy Earth, Mercury, and Venus. Afterwards, it will shrink into a white dwarf and exist for many hundreds of billions of years, surrounded by a planetary nebula and the remaining planets. Technically, the sun will still exist by then, so it won't run out of power for many billions of years.
Our Sun did not exist till about five billion years ago.
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It is said that in about four to five billion of years, the Sun will become a Red Giant.
The sun is middle aged, it has burned for about 6 billion years and will burn for about 6 billion more years.
Approximately 4 billion years.
5.5 billion years
It would take you until when the whole galaxy has cooled off, when there is no sun, and earth doesn't exist any more.Added:To be precise, 2740 years.
G2 stars like the Sun live about 10 billion years. Our Sun is about 4.5 billion years old, so it has another 5 billion years left.
If we refueled the sun with all the gas giants, the sun will continue to exist for an extra 200 million years. If we refuel the sun with only Jupiter, the sun will continue to exist for an extra 100 million years. However, Jupiter is important because it draws in many asteroids to protect the earth, so earth would get hit by much more asteroids. It's a tradeoff because we'll have less concern of the sun's death, but we'll have more concern of asteroids.