According to the String Theory. There is a 1D object called a 'string'. It is approximately 0.000000000001 yoctometers.
A Super Nova, exploding star, is by far the most destructive thing in the universe.
Well, atoms are the smallest objects in the universe. Everything is made up of atoms. That means that bacteria is made of atoms!
hydrogen
the smallest thing in the universe. also its a vibrating string that creates energy. every thing is related though string theory.
Life
There is no such thing. The Universe is much bigger than the Solar System - and there is only one Universe, at least only one that we know of.
an atom because it is the smallest thing alive in the universe and it would take about 100,100,000,000,000 atoms to be seen.
The unknown.
the smallest moon in the whole universe
pstyam
Hasmter are the most adorable thing in the universe
Duuh The Universe