Brown Dwarf

Mass < 8% of Sun's mass

ISM

Star Formation

Mass > 8% of Sun's mass

Newborn Stars

Main Sequence Star

Type I Supernova

Red Giant

Supernova Remnant

Mass exceeds Chandra. Lmt

Classical Nova

Surface    ignites

Accreting White Dwarf

Close binary companion

Planetary Nebula + White Dwarf

Red Supergiant

Low Mass

He-Burning Red Giant

High Mass

Massive Supergiant

Type II Supernova

Remaining core < 3 Solar Masses

Neutron Star

No close binary companion

Remaining core > 3 solar masses

Lonely White Dwarf

Black Hole

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