This video looks at a simple method for estimating the number of atoms in the observable universe. The first step involves estimating the number of atoms in a typical star. The second step involves estimating the number of stars in a typical galaxy. The third step involves estimating the number of galaxies in the observable universe.

You can help support this channel via the Physics Explained Patreon account:   / physicsexplained  

You can follow me on instagram:   / physics_explained_ig  

You can follow me on Twitter:   / physicsexplain1