A Quasar, solar flares, or galaxies exploding
Explosive volcanoes are most common at subduction zones.
Mount St. Helens is generally regarded as an explosive volcano, but like most stratovolcanoes, it can produce both explosive and non-explosive eruptions.
The universe is the largest known thing. However, it contains millions of galaxies, which are also very large accumulations of stars.
No. Volcanic eruptions in Hawaii are not usually explosive.
what is the most beautiful planet in the universe
Antimatter
A Super Nova, exploding star, is by far the most destructive thing in the universe.
The Big Bang went Kaboom!
Life
The unknown.
Hasmter are the most adorable thing in the universe
a black and white hole
Duuh The Universe
Hydrogen: stars universes every thing has it
Most likely by firing explosive pots out of catapults. The mirrors thing is a myth
An organism is a living thing. Is the universe a living thing?
From most points of view the first thing to exist that would be recognisable by us would probably be light.