Average like the sun ... about 10 billion years.
But most stars are dimmer and so live longer, some much longer.
billions of year
The neff electronic double oven average rating is at a 3.50 stars out of 5.0 stars rating. I got to say probably 2 to 3 years of life expectancy.
This is such a big range, it cannot be answered. There are stars that are so large that they livefor only millions of years.
The average number of stars in a dwarf galaxy is several billion.
An average giant galaxy contains a trillion or more stars.
No; stars are not, to the best of our knowledge, "alive".
Massive Stars.
Massive Stars.
No, stars have life spans.
Red giant stars.
No, but some stars end their life by becoming a black hole.
the nebula stage in a stars life cycle lasts for 25,000 years before turning into a white dwarf and then into a black dwarf.