Because the core is out of fuel, the white dwarf will eventually cool to a black dwarf. ... This will take many billions of years to cool. Degenerate gas pressure inside the core continues to support the star so it doesn't collapse.
because the core is out of fuel, the white dwarf will eventually cool to a black dwarf this will take many billions of year to cool . degenerate gas pressure inside the core continuous to support the star so it doesn't collapse
