El viaje del cometa
Enoc and Maria Luisa a retired teachers couple travels in a RV packed with telescopes to the most remote places in Mexico to teach and share their love for astronomy.
Starring Enoc Fuentes, María Luisa Aguilar
Watch "El viaje del cometa" on Mubi released in 2009. It's a documentary movie, and has a rating of 6.1 out of 10 from Imdb which is usually fine for this kind of movie.