Answer (1 of 7): My Friend if you are asking in layman terms then celestial are something related to sky or heaven is termed as celestial. Apart from this The Celestials are a group of fictional characters appearing in American comic books published by Marvel Comics. Immensely powerful and of hug
How powerful and durable are the Celestials? - Quora
Why do the celestials in the MCU need intelligent life to be born? - Quora
Who would win in a fight between Unicron (Transformers) and the Celestials (Marvel Comics)? - Quora
What are the Celestials, and what is its lore in the MCU? - Quora
Will the Celestials ever come to the MCU? - Quora
What is the purpose of the Celestials in the Marvel Universe? - Quora
What are celestial beings? - Quora
Is Galactus a fallen Celestial? - Quora
What if all the Celestials grouped together? Would they surpass the Living Tribunal and the Beyonders? - Quora
What would you do if you were reborn as a Marvel's most powerful Celestial? Would you change anything or not, would you help or not? How would you entertain yourself? - Quora
What is a celestial? - Quora
How powerful and durable are the Celestials? - Quora