Some massive stars reach a supernova state once they have exhausted all their nuclear fuel.
If the star is larger than about 5 times the size of our Sun, a black hole can form from the core of the exploded star
No. A neutron star ts the remnant of a massive star that exploded.
A "guest" star is the name for the original star, before it exploded as a Supernova. Because the Supernova is the explosion and has no real physical relation to the Star, it is termed "guest" star.
it means that a star died or exploded. it means it has lived for prabably a million or more years and exploded
A supernova.supernova
if the star exploded in a supernova it can be condensed into a black hole, or a tiny neutron star
Usually at the center of a galaxy or where a large star has exploded.
The spaceship that exploded in 1986 was the Space Shuttle Challenger.
The space shuttle that exploded in 1986 was the Challenger.
Mostly in planetary nebulae where a star that was big enough to produce oxygen when it exploded is.
challenger
"Fat Man" .