allseeing.space
Classroom edition. Narrated journeys through real space, with captions and teacher guides.
Narrated journey
Students learn that a spectrum spreads light by color, that spectral lines act like fingerprints for elements, and that spectra reveal what stars are made of, how hot they are, and whether they are moving toward or away from us.
Gathering starlight…
Press L for lessons. No microphone needed. Teacher guides