NOVA

Secrets of the Sun Preview

Preview: Season 39 Episode 7 | 30s

It contains 99.9 percent of all the matter in our solar system and sheds hot plasma at nearly a million miles an hour. The temperature at its core is a staggering 27 million degrees Fahrenheit. It convulses, it blazes, it sings. You know it as the sun. Scientists know it as one of the most amazing physics laboratories in the universe.

Aired: 04/24/12 | Rating: NR

Major funding for NOVA is provided by the NOVA Science Trust, the Corporation for Public Broadcasting, and PBS viewers.

More Extras

• Earth's Magnetic Shield

  Clip: S39 Ep7 | 2m 5s

• How Can I Study the Sun?

  Clip: S39 Ep7 | 3m 17s

• Introducing NOVA's Sun Lab

  Clip: S39 Ep7 | 2m 13s

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• Hunting the Elements

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