Because he is a titan that survived the war with titans and gods and zeus had cursed him for some type of mistake he made
Atlas was punished by Zeus who made him hold up the heavens.
Atlas was forced to hold up the heavens forever because he opposed Zeus.
Atlas was a titan whom the Olympians disliked. The Olympians sent the titans to do hard chores or to Tarturus. Atlas had to hold the heavens as long as the Olympians were there. Atlas tried to trick Heracles or Hercules to hold the heavens in Hercules and his labors.
His name was Atlas.
The book of maps is named an "atlas," after the titan Atlas who was cursed by Zeus to hold up the heavens for eternity.
Mount Atlas is a fictional mountain in Greek mythology. It is said to be located in North Africa and is often associated with the Titan Atlas who was said to hold up the heavens.
Atlas was born in Greece. He was NOT a god, he was a titan. He sided with the Titans in the war of the Titans and Gods. He was only there to hold up the heavens and the celestial sphere.
It was the Titan Atlas. After the war between the Olympic Gods and the Titans (In which the Olympic Gods won), the Gods punished the Titans and Atlas's punishment was to hold up the heavens from falling onto the world.
Not the world, but the heavens. Zues condemed him to hold the sky up for all time after the Titans revolt.
Atlas
Atlas is the titan who held the earth on his back and father of Calypso.
He was said to live in the country of the Hesperides, his daughters, but he was soon trapped by Hercules, to forever hold the heavens, stopping them from meeting the earth.