The beginning of the Universe

Big bang theory, discovered by George's Lemaitre, an astronomer, explains how the universe began. The theory stated that very long ago, the universe started as a single point (joint entity) like a rapidly expanding balloon, it swelled from a size smaller than an electron to nearly its current size.

Quran 21:30

NASA

“ We built the universe with ˹great˺ might, and We are certainly expanding ˹it˺ ” (Quran 51:47)