Lifecycle of Stars

The birth, life, and death of starsBy Nigel Sangster

Contents

• What is a Star?• Where do stars come from?• The evolution of stars• What happens to stars at the end of their

lives?

What is a star?

The Sun

The Sun’s magnetic field

Hertzsprung–Russell diagram

Where do stars come from?

Young star with protoplanetray disc

Pillars of Creation

Tarantula Nebula

Orion Nebula

Pleaides

Double Cluster in Perseus

Supergiant Structure

Comparative sizes

What happens to stars at the end of their lives?

•Planetary Nebula•Supernovae•Neutron Stars•Black Holes

Planetary Nebula – Ring Nebula

Eskimo Nebula

Helix Nebula

Cats Eye Nebula

Supernova

Supernova Remnant

Neutron Stars

Pulsars

Black Hole