After the supernova in a star’s life cycle, what else is formed in addition to a nebula? red giant or protostar neutron star or red giant protostar or black hole black hole or neutron star

black hole or neutron star

Explanation:

When a very massive star reaches its end, it runs up on its fuel. The nuclear fusion reaction in the core stops and the star goes supernova. Most of the mass and radiation is expelled out in few seconds. The event is brighter than the brightness of the entire galaxy. The remaining core after supernova collapses to form either a neutron star or a black-hole along with a nebula.

explanation:

the universal gravitation equation. since the gravitational force is directly proportional to the mass of both interacting objects, more massive objects will attract each other with a greater gravitational force. if the mass of one of the objects is doubled, then the force of gravity between them is doubled.

ionic bonds are two oppositely charged ions that attract. a sodium ion has a 1 positive charge; a chloride ion has a 1 negative charge. sodium and chloride have oppostive charged ions that attract which forms an ionic bond. a chemical bond formed when two atoms share electrons is called