Pronunciation: [wˈa͡ɪt dwˈɔːf stˈɑː] (IPA) 
The correct spelling of "white dwarf star" is /waɪt d wɔrf stɑr/. The IPA phonetic transcription helps to accurately represent the pronunciation of the word, including the long "i" sound in "white," the voiced "th" sound in "dwarf," and the specific stress on the second syllable of "dwarf." A white dwarf star is a small, dense star that is formed when a larger star runs out of nuclear fuel and sheds its outer layers.
A white dwarf star is a compact celestial object that forms at the end of a star's life cycle. It is characterized by its small size, immense density, and extremely high temperature. The term "white dwarf" is derived from the fact that these stars have a faint white glow, as they no longer undergo nuclear fusion reactions to emit significant levels of light or heat.
The formation of a white dwarf occurs when a star exhausts its nuclear fuel, typically after burning through its hydrogen and helium supplies. The gravitational forces within the star collapse its core, causing the outer layers to be expelled in a planetary nebula, while the core itself remains intact. This core undergoes compression until it reaches a point where the inward gravitational force is balanced by the pressure exerted by the degenerate electrons within the star. This equilibrium results in a stable, dense object with an average mass comparable to that of the Sun but condensed into a volume roughly the size of Earth.
White dwarfs are composed primarily of carbon and oxygen, with trace amounts of other elements, and have a mass typically ranging between 0.5 to 1.4 times the mass of the Sun. Due to their small size, white dwarfs possess an immense gravitational force at their surface. This gravitational force causes the star to slowly cool over time, with temperatures decreasing from millions to tens of thousands of Kelvin over billions of years. As they age, white dwarfs eventually fade into black dwarf stars, becoming cold celestial bodies that emit no significant levels of radiation.
