Fair rating?How the Universe Works· Season 2 · Episode 1
Volcanoes - The Furnaces of Life
Scientists are discovering volcanoes on worlds we once thought dead. From our nearest planetary neighbor to tiny moons billions of miles away, today, we are discovering volcanoes on alien worlds. Are these worlds where, tomorrow, we might find life?
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#6In Season 2of 8 rated episodes
#72All-timeof 92 rated episodes
−0.3vs season avgSeason 2 averages 8.3
2012First airedJuly 11, 2012