Atomic spectrum of hydrogen Student activity Play

Classification of stars Whiteboard presentation Play

Hydrogen spectral series Illustration Play

Red giants and white dwarves Student activity Play

Red giants and white dwarves Whiteboard exercise Play

Spectral analysis Illustration Play

Spectral analysis Student activity Play

Spectral analysis Animation Play

Spectral analysis Whiteboard exercise Play

Spectral analysis Student activity Play

Spectral analysis Whiteboard exercise Play

Spectral classes Student activity Play

Spectral classes Whiteboard exercise Play

Spectral classes Animation Play

Spectral classes Chart Play

Spectral classes Chart Play

Spectral series Animation Play

Spectrum of helium Illustration Play

Spectrum of hydrogen Whiteboard exercise Play

Spectrum of hydrogen Student activity Play

Stellar absorption spectra Illustration Play

The birth of a star Student activity Play

The birth of a star Whiteboard exercise Play

The emission and absorption of photons Student activity Play

The H-R diagram Animation Play