A white dwarf is the last stage of a low mass stars life. After a red giant is done fusing helium to carbon and oxygen, the star will collapse to a white swarf. White dwarves are usually between 15,000-6,000 kelvins.
Yes. When they are first created after a "normal" star ends it life, they are white because they are very hot. Over time they will slowly cool and in doing so turn from white to yellow, to orange,...
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...
Yes indeed. All the white ones are.They are stars that have released nearly all the chemical energy from the hydrogen they contain in the form of heat and lightWhen they become too cool to radiate...