Why Does Galactus Eat Planets In The Marvel Universe?
In "Super-Villain Classics" #1 (by Jack Kirby, Stan Lee, Vince Colletta, George Klein, and Jack Morelli), readers learn that before becoming Galactus, the cosmic entity was a humanoid-like creature named Galan from the planet Taa. Sadly, his technologically advanced world is destroyed, with the Sixth Cosmos coming to an end before the birth of a new universe. However, before dying with his people, Galan is contacted by the personification of the Multiverse, who merges his essence with him to be reborn in…