Approximately how large is a white dwarf remnant compared to Earth?

Answer

Roughly the size of the Earth

A white dwarf is the extremely hot, dense core remnant, possessing nearly the entire original star's mass while being roughly the size of the Earth.

Approximately how large is a white dwarf remnant compared to Earth?

#Videos

Why Do Red Giant Stars Expand Their Outer Layers? - YouTube

evolutionlayerstarexpansionastrophysics