Liste des épisodes à télécharger légalement
Comet Encounter Episode 1 (Comet Encounter)
Date de diffusion: : 20 Novembre 2013From PBS: In this program, scientists around the world follow a once-in-a-lifetime event, the path of the sun-grazing comet ISON. The comet, somewhere between one and 10 kilometers in diameter, is currently just beyond the orbit of...