It depends. The lower the mass of the star, the longer the lifespan. It is believed that the lifespan of these stars exceeds the expected 10 billion year lifespan of our Sun by the third or fourth power of the ratio of their masses to the solar mass, which means a red dwarf with 0.1 solar mass may continue burning for 10 trillion years
Before a white dwarf, a star would undergo the red giant phase. After a white dwarf, a star may end its life cycle as a black dwarf, although no black dwarfs are currently known to exist in the universe due to the long timescales required for a white dwarf to cool down.
A small star that only gives off faint light and is relatively cool is likely a red dwarf star. These stars are much smaller and cooler than our Sun, but they are the most common type of star in the universe. Despite their dim appearance, red dwarfs can be very long-lived.
A white dwarf star starts out like a our sun and turns into a white dwarf at the end of the stars life cycle. They have used up all their nuclear energy. At the end of this nuclear burning stage the star expels most to all of its outer materials. This creates what is known as a planetary nebula. The hot core is the only part of the star that remains. Temperatures of the core can and will exceed 100,000 Celsius becoming a very hot white. From this point the star starts to cool down, but that takes a billion years or more.
Once a medium sized star has consumed all it's fuel it becomes a White Dwarf star (just the extremely dense core of the original star remains composed mainly of carbon). A White Dwarf star will, however, eventually lose it's heat to become a Black Dwarf.
False. The sun is a yellow main sequence star.
No in the life cycle of a star, a white dwarf can cool and become a black dwarf
A Dwarf
It should "live" for about 5 billion years as it is, more or less. Then it will become a red giant star. Then it becomes a white dwarf. Finally it will "die" as a black dwarf.
the steps in the life of a star is the yellow dwarf,red giant,white dwarf & the black dwarf.
red dwarf i think!
If it is small and cool enough it could be a "brown dwarf". If it is a little warmer it is called a "Red Dwarf".
white dwarf
Nebule > Star > Red Giant > Red Dwarf > White Dwarf > Supernova > Neutron Star > Black Hole.
Before a white dwarf, a star would undergo the red giant phase. After a white dwarf, a star may end its life cycle as a black dwarf, although no black dwarfs are currently known to exist in the universe due to the long timescales required for a white dwarf to cool down.
A white dwarf is the last stage of 97% of star evolution. A white dwarf will eventually cool down, and become a "black dwarf". Black dwarves are not expected to exist yet; to cool down to that level, it would take longer than the current age of the Universe.
A small star that only gives off faint light and is relatively cool is likely a red dwarf star. These stars are much smaller and cooler than our Sun, but they are the most common type of star in the universe. Despite their dim appearance, red dwarfs can be very long-lived.
The Sun has about another 5 billion years before it becomes a red giant. Then it will become a white dwarf star, fading out as a black dwarf many billions of years from now. However, it will start to change and make life very difficult on Earth in only about one billion years.