allseeing.space
Classroom edition. Narrated journeys through real space, with captions and teacher guides.
Narrated journey
Students learn how Asaph Hall discovered Phobos and Deimos in 1877, how the two small moons differ in size and orbit, why Phobos is slowly spiraling toward Mars, and the evidence for and against the captured-asteroid and giant-impact ideas for their origin.
Gathering starlight…
Press L for lessons. No microphone needed. Teacher guides