White Dwarfs seem very planet-like

 

Core crystallisation in evolving white dwarf stars from a pile-up in the cooling sequence
Tremblay 2019 
https://arxiv.org/pdf/1908.00370

A Crystallizing White Dwarf in a Sirius-Like Quadruple System

Venner 2023

https://arxiv.org/pdf/2306.03140

Stellar Metamorphosis: Comment on Thousands Of Stars Turning Into Crystals Daniel Archer 

Archer 2019

 https://vixra.org/pdf/1901.0326v1.pdf

What if white dwarf stars are actually earth like planets Daniel Archer

Archer 2023

https://vixra.org/pdf/2310.0140v1.pdf

https://www.universetoday.com/161929/a-white-dwarf-is-starting-to-crystallize-into-diamond/