Our Star will not become a supernova as some dying stars will. Our star, the Sun, will grow as it is dying, it will grow to or past the orbit of our planet. We call it our star and our planet because we live here, and of course we belong to the Sun and Earth and Moon. We might as well claim everything — nothing else has, at least, not that I know of. So from this point forward the universe is ours, but only until our star vaporizes us. I think stars are like people, so many different kinds and no two alike. A sun dying going supernova would be trillions of times the energy of our star dying.
Our star is far from dying. The Sun is just warming up. Every day our star is getting brighter and warmer and someday the average daily temperature on earth will be about 160 degrees or so. Just give it a billion or so years to get there. And just like water evaporates, the earth will vaporize into the energy of our dying sun and then never again a trace of life from here, ever again. Now take two healthy stars moving toward each other very rapidly and then sit back and enjoy the light show, it will definitely be the last thing you will ever see. When two stars collide the energy is trillions times the energy of a dying star going supper nova and the surface of every planet in that entire galaxy will be vaporized in to the energy. Maybe that is how neutrinos are made and where they come from, intense energy too small to measure or see, traveling through time and space, through everything. We can detect neutrinos going through heavy water after they have been through seven miles of earth. They are pure energy from a Plasma Burst billions of years ago.
CO2 in its purest form is Dry Ice.