TV-G
S1 • E2 Feb 13, 2010 60m8.1
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.
