Question

How small is a human compared to the universe?

Answer 1

The size of a human compared to the universe can't be defined or quantify.

Explanation:

It is because the universe is very big, and if we just contrast us, humans, to our Solar System, we have a very big difference. So what of we compare it to the Universe? If compute it, it would be very small that the proportion of humans to the Universe have a great difference, that our measure is negligible.

Answer 2

how big human is in camparison to the universe ,
its just like an atom comparison to whole planet .
if we find out ratio of certain property like mass it would be almost `0.bar0 1` which is already 0.