How many subatomic particles are in the universe?

When it comes to astronomical questions, it doesn't get much bigger than the one Numberphile recently attempted to answer: How many particles in the universe? read more

The commonly accepted answer for the number of particles in the observable universe is [math]10^{80}[/math]. This number would include the total of the number of protons, neutrons, neutrinos and electrons. read more

The Standard Model of particle physics just knows 17 Subatomic particles. The universe is just made from duplicates of those 17 particles. read more