Star Life Cycle 1

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

• Eruption of a supernova

• Expansion into a red giant

• Formation of a black hole

• Formation of a protostar

During which stage does a star form from a collapsing cloud of gas and dust?

• Protostar stage

• Galaxy stage

• Black hole stage

• Supernova stage

What is the longest stage in the life cycle of a star where it fuses hydrogen into helium?

• Red giant stage

• Main sequence stage

• White dwarf stage

• Supernova stage

When a star runs out of hydrogen fuel, it expands and becomes a ________.

• green giant

• red giant

• blue dwarf

• yellow supernova

What is the explosive death of a massive star called?

• megastar

• supernova

• hypernova

• starburst

What is formed when a massive star collapses under its own gravity?

• Neutron star

• Black hole

• White dwarf

• Supernova

At what stage does a star become a red supergiant before it explodes?

• After it becomes a white dwarf

• During its formation stage

• When it reaches the main sequence

• During the late stages of its life cycle

What is the final stage in the life cycle of a massive star?

• Supernova explosion

• White dwarf collapse

• Red giant phase

• Black hole formation

What is the remnant left behind after a supernova explosion?

• Red giant

• Supernova remnants

• Neutron star or black hole

• White dwarf

What is the dense region in space with gravity so strong that nothing can escape from it?

• Void center

• Dark spot

• Black hole

• Gravity well