Question

match the vocabulary term with the correct definition. an infinitesimally small region of space, created after the supernova explosion of a huge star, that contains matter packed so densely that light cannot escape from its intense gravitational field a small, extremely dense star, created from remnants of the supernova explosion of a large star and composed almost entirely of compressed neutrons a burst of high - energy radiation from space; a longer burst results from the death of a massive star, while a shorter burst forms when a neutron star is pulled into a black hole or when two neutron stars collide to form a black hole one of several hundred known celestial objects, generally believed to be rapidly rotating neutron stars, that emit pulses or radiation, especially radio waves, with a high degree of regularity neutron star pulsar black hole gamma - ray burst

Explanation:

1. The first description matches the definition of a black - hole as it describes a region with such strong gravitational pull that light cannot escape, formed after a supernova explosion of a huge star.
2. The second description is that of a neutron star, which is created from supernova remnants and composed mainly of compressed neutrons.
3. The third description is for a gamma - ray burst, which is a high - energy radiation burst from space with different origins depending on the duration.
4. The fourth description is for a pulsar, which are rapidly rotating neutron stars emitting regular radiation pulses.

Answer:

1. black hole
2. neutron star
3. gamma - ray burst
4. pulsar