Thor is the Norse god of thunder, endowed with superhuman strength, speed, and endurance. Mjollnir, Thor’s magical hammer, is responsible for lightning storms, while his chariot, pulled by two goats, is the cause of thunder.
Thor is famous for slaughtering his foes. His greatest enemy is a world-encircling serpent, Jormungand. Norse prophecies state that come Ragnorak, the epic conflict of gods, Thor will slay Jormungand but will succumb to the serpent’s poison.
However, many aspects of Thor’s saga are known to be false. Thunder is caused by lightning, not Thor’s chariot. Lightning is not the result of Mjollnir, but of a build up of large electrical charges within clouds during storms. Satellite photographs of the earth prove that the planet does not have an enormous serpent surrounding it, thereby disproving a key element of the Thor prophecy.
Though a popular and entertaining tale, told in many forms, Thor is a myth alongside his compatriots in Norse, Greek, Roman, Christian, Islamic, Jewish, Hindu, and many other mythologies.
Ragnarok on Encyclopedia Mythica
“What causes thunder?” Brill, Richard.