About 5 billion years
About 5 billion.
5 billion years
About 5 billion
About 5 billion years
It is estimated that the sun formed into a star about 4.57 billion years ago.
It really is burning out, but there is so much gas in it that it will really burn out after about ten billion years.
The sun has been burning for about 4.6 billion years and is currently halfway through its life cycle. It is estimated to continue burning for another 5 billion years before it exhausts its nuclear fuel and transitions into a red giant.
in millions to billians of years
[THEORY] Scientist believe that the sun will stop burning and turn into a black hole in 5 billion years.
No, the sun has not gone out. It is a continuously burning star that has been shining for billions of years and is expected to continue shining for billions more.
The Sun is estimated, based on its size and energy production, to be about 5 billion years old."The Solar System", Roman Smoluchowski, Scientific American Library, 1983, page 6
it has been berning since the beginning of time