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TVGHDSecrets of the Earth1hThe Weather Channel
Sinkholes generate far below the earth's surface and are capable of opening up across more than 20% of it.
Sinkholes generate far below the earth's surface and are capable of opening up across more than 20% of it.
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Secrets of the Earth
S2, EP3 "Strange Skies"Thunderstorms create gigantic red and blue electrical shapes above the clouds; ice crystals refract light into multiple suns; rainbows appear, and every observer sees a different one.
Secrets of the Earth
S2, EP4 "Sinkholes"Sinkholes generate far below the earth's surface and are capable of opening up across more than 20% of it.
Humans may think they know about Earth, but there's a lot about the third planet from the sun that most don't. This series takes a look at some of its aspects -- with which the average person may be unacquainted. Computer graphics and scientists reveal new facts about Earth that include rain triggered by cosmic rays, and canyons of gravity that warp space and time. "Secrets of the Earth" explores this world, providing data and inspiring a sense of awe that people usually feel about other celestial bodies.
Original Air Date: May 19, 2013
Genres: NatureTV Series
Rating: TVG
Playback: HD
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