¿Who is stronger, Jean Grey or Galactus?

Jean Grey is a comic book character created by Marvel Comics and is known to be one of the publisher's most powerful and beloved heroes. She is a mutant who has developed the ability to control and manipulate telepathy and telekinesis. Jean Grey was first introduced in the comic book "X-Men", where it was revealed that she had been one of the founding members of the team of mutants led by Professor X. Although she initially acted as a hero, Jean Grey faced many obstacles and ethical dilemmas throughout her career and had to make difficult decisions to protect humanity.

Galactus is a comic book character created by Marvel Comics and is known to be one of the publisher's most powerful and feared villains. He is a cosmic being who has come to Earth with the goal of consuming planets and becoming the supreme being in the universe. Galactus has a number of supernatural powers, including the ability to manipulate cosmic energy, the ability to control people's minds and behaviour, and the ability to summon cosmic creatures at will. He is also immortal and virtually indestructible, making him a formidable foe for any hero who confronts him.