Season 39, Episode 20 Secrets of the Sun
First Aired: April 25, 2012
Examining the sun, which is 27 million degrees Fahrenheit at its core. Included: spacecraft- and Earth-based telescopes that are enabling scientists to glean information about how the sun works; research that may help scientists predict and track solar storms, which can play havoc with power grids, satellites and air travel.
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- Premiered: March 3, 1974
- Rating: None
- Premise: PBS's premier science-documentary series, which has won six Peabody Awards and more than 20 Emmys (four in 2002 alone) since its 1974 debut. `Nova' clearly, and often engagingly, `demystifies' a vast range of science, technology and history topics---past a… (more)