Question

these super giant stars have a super denser core known as a ____________. this question is worth 1 point(s)

planetary nebula

black dwarf

white dwarf

neutron star

Explanation:

A planetary nebula is a cloud of gas around a star, not a dense core. A black dwarf is a theoretical cold - white dwarf and not related to the dense core of super - giant stars. A white dwarf is the core left by a low - to medium - mass star, not a super - giant. A neutron star is a very dense core that can be left behind by a super - giant star after a supernova explosion.

Answer:

D. neutron star