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Watch A Traveler's Guide to the Planets Season 1 Episode 2 Online

  • 7/10
  • COUNTRIES: Australia
  • Subtitles: English

A dive below the clouds reveals the planet's strange secret: It's really more like a star in composition. See what today's bigger and better telescopes are revealing about the moons in Jupiter's extraordinary kingdom, from Io, a spicy world of fire and brimstone, to Europa, where a warm, salty ocean hides beneath the surface.