Life Cycle of Stars

Front

What is a nebula?

Back

A big cloud of dust and gas where all stars begin their life cycle.

Front

What are the biggest, most massive stars in the universe called?

Back

Red supergiants.

Front

What color are the hottest stars?

Back

Blue.

Front

What type of star is formed when a supernova collapses and squeezes electrons and protons together?

Back

Neutron star.

Front

What two elements are stars mostly made of?

Back

Hydrogen and helium.

Tags

NGSS.HS-ESS1-3

Front

What is the life cycle stage of a star before it becomes a main sequence star?

Back

Protostar.

Front

What is a main sequence star?

Back

A stable phase in a star's life cycle where it fuses hydrogen into helium.

Tags

NGSS.HS-ESS1-1

Front

What happens to a star like our Sun at the end of its life cycle?

Back

It becomes a red giant and then a white dwarf.

Front

What is a supernova?

Back

An explosion that occurs at the end of a massive star's life cycle.

Tags

NGSS.HS-ESS1-3

Front

What is a black hole?

Back

A region in space where the gravitational pull is so strong that nothing, not even light, can escape.

Tags

NGSS.HS-PS2-4