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Secrets of the Earth

Season 1 • Episode 5 • Magnetic Shield

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Secrets of the Earth Season 1, Episode 5: Magnetic Shield

0 0 • 21 min • 5.3/10

A metallic core at the center of the Earth turns the planet into a magnet, generating a field that protects life on the surface from cosmic radiation. Watch Secrets of the Earth Season 1, Episode 5 Magnetic Shield in HD free online. Enjoy high-quality streaming of Secrets of the Earth Season 1, Episode 5 and share your thoughts in the comments below!

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Episodes

9 episodes
1

Rain

Raindrops aren't only formed from condensed water vapor; some result from micrometeorites, and others deliver bacteria from the upper atmosphere.

21 min
2

Tsunamis

Tsunamis form in the open ocean before making toward land. Science seeks not only to understand these giant waves but also predict them.

21 min
3

Gravity

Earthquakes can actually affect Earth's gravity, and the ability of scientists to map gravitational fiels has uncovered mysterious anomalies.

21 min
4

Goldilocks

Earth's distance from the sun is just right to sustain life, with neighbors Venus and Mars illustrating the impact of a slight difference in location.

21 min
5

Magnetic Shield

A metallic core at the center of the Earth turns the planet into a magnet, generating a field that protects life on the surface from cosmic radiation.

21 min
6

Blizzards

A visit to the researchers at a Colorado storm lab and an examination of lake-effect snow in northern New York reveal the science of blizzards.

21 min
7

Tides

Water levels rise up to 50 feet at high tide in Canada's Bay of Fundy, while the Turnagain Arm in Alaska experiences 10-foot-high tidal "bore waves."

21 min
8

Volcanoes

As evidenced by the 1815 eruption of Indonesia Mt. Tambora, volcanoes can profoundly impact the weather, producing lightning, ash and acid rain.

21 min
9

Strangest Places

The world's most astonishing sites include extreme underwater ecosystems, steamy subterranean worlds and stratling igneous formations of lava rock.

21 min