The exact number of atoms in the observable universe is an extraordinarily large and challenging figure to estimate precisely. However, scientists have made rough estimations based on observable data and cosmological models.
It’s important to understand that the universe is vast and contains an inconceivably large number of atoms. The observable universe consists of countless galaxies, each containing billions or even trillions of stars. Each star, in turn, consists of a massive number of atoms.
One rough estimate suggests that there are approximately 10^80 to 10^81 atoms in the observable universe. This estimation takes into account the known distribution of galaxies, stars, and the average number of atoms in a typical star.
Keep in mind that this is a vast, almost incomprehensible number. To give you a sense of scale, it’s estimated that there are more atoms in the observable universe than there are grains of sand on all the beaches on Earth. However, this estimation remains a simplified and approximate figure, as the true number of atoms in the universe may never be precisely determined due to the immense size and complexity of the cosmos.