Changes

: A '''white dwarf''' glows due to its [[Gravity|gravitational]] collapse [[Energy Transfer|transferring]] [[energy]] from the [[Gravitational Potential Energy Store|gravitational potential energy store]] of its [[matter]] to the [[Thermal Energy Store|thermal energy store]] of its [[matter]].

: A '''white dwarf''' is a hot, [[density|dense]] ball of [[Iron]] around the size of [[planet]] [[Earth]].