No, since universe means everything, you cannot have 20 trillion “everythings”.
“No, since universe means everything, you cannot have 20 trillion “everythings”.”
Until Hubble observed external Galaxies, the ‘Universe’ was only our Milkyway Galaxy. Now, there apparently trillions of them. The point is that the concept of Universe is not a constant. The next thing you know, there is a universal constant for each physical reality. You’re welcome.