Nebulae Surrounding Star Birth

• Collapse from Molecular Clouds under gravity (1 106 1019 particles per cm-3).

  • Dark Nebulae (100 K).

• Shine through fluorescing hydrogen gas.

  • Red Nebulae (HII regions) (10,000K).

• Reflect starlight by dust scattering.

  • Blue Nebulae (cf the sky).

Previous slide

Next slide

Back to first slide

View graphic version