Life Cycle of the Sun

A young star born in a nebula that is just starting to glow. Our Sun began this way.

• Planetary Nebula

• Black Hole

• Protostar

• Neutron Star

90% of stars (including the Sun) are in this stage of their life cycle. It is stable and fusing hydrogen.

• Main Sequence

• White Dwarf

• Red Giant

• Black Hole

Tags

NGSS.HS-ESS1-3

The stage after main sequence for a small to medium mass star like our sun when nuclear fuel begins to run out. In this stage the sun will expand and engulf the Earth.

• Red Giant

• White Dwarf

• Supernova

• Black Hole

Tags

NGSS.HS-ESS1-1

A dense, planet-sized star that has exhausted all its nuclear fuel.

• Red Giant

• White Dwarf

• Supernova

• Planetary Nebula

A dead star that no longer gives off light or heat.

• Red Giant

• Black Hole

• White Dwarf

• Black Dwarf