Phases de la Lune

https://www.youtube.com/watch?v=oI6SKeEup-k

https://www.youtube.com/watch?v=tj34wQUiUOU

Eclipse de Soleil

https://www.youtube.com/watch?v=-pqWmZaDXNM

https://www.youtube.com/watch?v=HXzqTURXzFE

Eclipse de Lune

https://www.youtube.com/watch?v=LukqEINXCmM