Season 5, Episode 1 7 Wonders of the Solar System
First Aired: July 29, 2010
The fifth-season opener explores seven wonders of Earth's solar system. Included: Enceladus, a moon of Saturn; one of Saturn's rings; Jupiter's Great Red Spot; the asteroid belt; the Olympus Mons volcano on Mars; the surface of the sun; and Earth.
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- Premiered: May 29, 2007
- Rating: TV-PG
- Premise: An astronomy series examing the history, scientific phenomena and mysteries of the universe. (more)
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A lot has changed in 20 years.