Is it possible for a planet to implode?

Question: Is it possible for a planet to implode?
- Keywords:
  planet
Asked by anon-332900 on 14 Dec 2022. This question was also asked by anon-336762.
- Ben Dryer answered on 14 Dec 2022:
  
  I don’t think so! Something cataclysmic would need to happen within the planet, like formation of a black hole. They just don’t form like that and can only form from collapsions stars etc.