Question

which of these are non existent
1 galaxy
2 univers
3 set of univers
4 pluto​

Answer 1

Answer:

The only thing that is non-existent is set of universes because to us we have only explored so little of our solar system and beyond it but even if they did exist we would still not know about them.

Explanation:

Hope this helps.

Answer 2

Answer:

3 set of universe

Explanation:

but no one nose that there is no another universe so so we can't say a that there is not a set of Universe but still now there is only one universe and the set of universe is called multiverse