A Super Nova, exploding star, is by far the most destructive thing in the universe.
Life
The unknown.
Hasmter are the most adorable thing in the universe
Duuh The Universe
a black and white hole
Perhaps you are confusing Universe with galaxy. Most galaxies have a black hole in their center. The Universe has no such thing as a center.
Hydrogen: stars universes every thing has it
An organism is a living thing. Is the universe a living thing?
the universe itself
The most destructive stage of the most of the insect pest is the Larval stage.
From most points of view the first thing to exist that would be recognisable by us would probably be light.
When eruption types are arranged from most destructive to least, it is in descending order.