allseeing.space
Classroom edition. Narrated journeys through real space, with captions and teacher guides.
Narrated journey
Students explore globular clusters, dense balls of hundreds of thousands of stars that are more than 10 billion years old and orbit in the Milky Way's halo, and learn how astronomers use them to date the galaxy, plus the story of the 1974 Arecibo message aimed at M13.
Gathering starlight…
Press L for lessons. No microphone needed. Teacher guides