Life Cycle of Stars

What is the first stage in the life cycle of a star as depicted in the image?

• Red Giant

• Supernova

• Nebula

• White Dwarf

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

Which stage comes after the main sequence in the life cycle of a star?

• Nebula

• Red Giant

• Supernova

• White Dwarf

What does a main sequence star with an average mass like our Sun become after the red giant phase?

• Black hole

• White dwarf

• Neutron star

• Supernova

Tags

NGSS.HS-ESS1-3

What is the final stage of a highest mass star's life cycle?

• Black dwarf

• Black hole

• White dwarf

• Red supergiant

What event leads to the formation of a neutron star?

• The death of a red supergiant

• The transition from a white dwarf

• The explosion of a protostar

• The collapse of a planetary nebula

What gases are nebula primarily composed of?

• Hydrogen and Helium

• Oxygen and Carbon

• Nitrogen and Sulfur

• Iron and Silicon

Which of the following is NOT a major component of a nebula?

• Hydrogen

• Helium

• Iron

• Dust

What is a protostar?

• A mature star that has stopped growing

• A very young star still gathering mass from a nebula

• A star undergoing supernova

• A small, cool star with minimal mass

What happens to a protostar as its mass increases?

• It cools down and dissipates

• It decreases in size

• It heats up

• It turns into a black hole

What marks the transition of a protostar into a main sequence star?

• The protostar loses all its mass

• The protostar stops growing and begins fusion, blowing away surrounding gas

• The protostar collapses into a white dwarf

• The protostar explodes in a supernova