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Is there life on other planets? What does the night sky actually reveal? How has man been able to explore space, and what does future exploration hold? These are some of the questions this series answers.

Space station as seen from space. Caption: Section by section, it grew.
Season 0 / Ep 1
10 minutes 48 seconds
Grade Level: 5 - 9
Graphic of peaks and valleys below the surface of the water. Caption: And satellites unveil the seafloor,
Season 0 / Ep 2
42 minutes 50 seconds
Grade Level: 5 - 12
Glowing light in the center of concentric rings of gaseous substance. Caption: Formed of an inner ring 4.5 billion years ago,
Season 0 / Ep 3
12 minutes 12 seconds
Grade Level: 9 - 12