allseeing.space
Classroom edition. Narrated journeys through real space, with captions and teacher guides.
Narrated journey
Students learn that planetary nebulae have nothing to do with planets: they are glowing shells of gas shed by dying Sun-like stars, which leave white dwarfs behind, and they connect this to the Sun's future in about five billion years and to the carbon in their own bodies.
Gathering starlight…
Press L for lessons. No microphone needed. Teacher guides