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Does fusion occur in a black dwarf?
No. Fusion has long since ceased by the time a stellar remnant becomes a black dwarf.
What comes before white dwarf and after white dwarf?
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.
Where is the red dwarf stars located on the H-R diagram?
Red dwarf stars are located in the lower right corner of the H-R diagram, which means they are cool and dim compared to other stars. They are low-mass stars that have a long lifespan and are the most common type of star in the universe.
What is the difference between red and brown dwarf stars?
Red dwarf stars are massive enough to undergo nuclear fusion, so they would burn a long time before they run out of fuel. Brown dwarves are not massive enough for nuclear fusion, so almost all of its light come from the time when the brown dwarf was formed. Over a long period of time, a brown dwarf would cool down into a gas giant similar to Jupiter.
Why don't astronomers see greater numbers of dwarf stars?
Dwarf stars are actually very abundant in the universe, but they can be more difficult to observe because they are fainter and cooler than other types of stars. Astronomers use specialized techniques and instruments to detect dwarf stars, but they can still be challenging to study due to their dimness. Additionally, dwarf stars may not stand out as much in crowded regions of space where brighter stars and other celestial objects dominate the view.
Does the black dwarf have a satellite?
We don't think there are any black dwarf stars yet. There hasn't been long enough for them to cool to the "black" stage. When there has been, then presumably some of them will have satellites.
Want happens when Red dwarf stars die?
Red dwarf stars have such long lifetimes that none of them ever have yet. Presumably, they will eventually go through the white dwarf phase before cooling entirely and becoming "black dwarfs".
What do stars do in their lifetime?
they live for a long time as regular sized stars then eventually they turn into red giants and explode then turning into a white dwarf
How long do dwarf stars live?
How long stars live depends primarily on their mass. Low mass stars live longer.A yellow dwarf star like the Sun has an expected lifetime of about 10 billion years on the main sequence, followed by a "red giant" phase that is considerably shorter, followed by a "white dwarf" (Type VII) phase lasting a very, very, very long time before the star eventually cools to the point it no longer emits light in the visible range, becoming a "black dwarf".Low-mass red dwarfs (below, say, 0.25 stellar masses) could conceivably live trillions of years. We don't really know exactly what will happen to them or how long they will live, because the universe itself is only about 14 billion years old, not nearly long enough for any red dwarfs to have died.
How long will it take for a brown dwarf to become a black dwarf?
A brown dwarf will never become a black dwarf. A black dwarf is what becomes of a white dwarf. This process takes hundreds of trillions of years.
Do all stars end their life cycle the same way?
No because smaller stars can live longer than bigger stars and the big stars wont live as long but will end in a very violent explosion.That can result in a major supernova and even a black hole smaller stars will die in a much less violent way.
How long do dwarf live for?
They can live nearly or as long as other people.
How big can a black dwarf planet get?
A black dwarf is not a planet; it is the remnant of a long dead star that has cooled. A black dwarf would range from about 7,000 to 17,000 miles in diameter.
How long will a black dwarf star live?
It is unknown. Scientists belive that, since the life length of white dwarfs are so long, there aren't any black dwarfs in our universe yet.
Does fusion occur in a black dwarf?
No. Fusion has long since ceased by the time a stellar remnant becomes a black dwarf.
What is a small hot star that is near the end of its life called?
There are small hot stars - White dwarfs, neutron stars but by furtue that they are hot, means they are not near the end of their lives. It takes a long long time for all the residual heat to escape into the Universe. So, there are NO hot stars near the end of it's life.
How long is the Sun's life expectancy?
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.
