Life Cycle of a Star

The series of events that occurs in the life of any star.

• Birthplace of Stars

• Expands and cools once it runs out of hydrogen fuel.

• Thinly spread hydrogen gas, carbon, and silicon dust.

• Life Cycle of a Star

This is thinly spread hydrogen gas and carbon and silicon dust.

• Main Sequence

• Interstellar Medium

• Nebula

• Protostar

The birthplace of stars

• Nebula

• Protostar

• Red Giant

• Planetary Nebula

A contracting cloud of gas and dust; the earliest stage of a star's life

• Black Hole

• White Dwarf

• Black Dwarf

• Protostar

An extremely hot ball of gas, with hydrogen (H2) fusing into helium(He)at its core.

• Galaxy

• Star

• Universe

• Nucleus

Stars live most of their lifetime in this phase.

• Stellar Nebula

• Main Sequence

• Red Giant

• Neutron Star

A star that expands and cools once it runs out of hydrogen fuel.

• Main Sequence

• Black Hole

• White Dwarf

• Red Giant

Forms as a Red Giant's life ends.

• Stellar Nursery

• Planetary Nebula

• Super Red Giant

• Black Hole

A small, hot, dim star that is the leftover center of an old star

• Neutron Star

• Black Hole

• White Dwarf

• Black Dwarf

This phase of a stars life forms when the star has run out of fuel and is the final stage in the cycle for a low mass star.

• Black Dwarf

• White Dwarf

• Black Hole

• Neutron Star