ESS 30.2 Quiz Review

An object so dense that not even light can escape its gravity.

• Black hole
• Quasar
• Pulsar

• Neutron Star

A cloud of dust and gas where stars are born.

• Planetary nebula
• Nebula

• Galaxy
• Nova

A shrinking, spinning region in space with a central concentration of matter.

• Neutron Star
• Pulsar
• Protostar
• Nebula

A dense collapsed star whose protons and electrons smash together to form neutrons.

• Giant
• White dwarf
• Supergiant
• Neutron star

A small, hot, extremely dense core left after the collapse of a star.

• White dwarf
• Black dwarf
• Neutron Star
• Pulsar

A neutron star that emits a beam of radio waves that sweeps across space.

• Black hole
• Pulsar
• Quasar
• Nebula

A large explosion on a star that makes it brighter.

• Stellar explosion
• Supernova
• Nova
• Companion star

White dwarf that has cooled down so much that it no longer produces light.

• Giant
• Supergiant
• Black hole
• Black dwarf

The stage after giant, where the star’s outer gases start to move away from the central core.

• Planetary nebula
• Nebula
• Protostar
• Galaxy

A large, bright star whose core has used most of its hydrogen.

• Main-sequence
• Giant
• Neutron star
• Pulsar